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70670684 = 2272523953
BaseRepresentation
bin1000011011001…
…01100101011100
311220222102221202
410031211211130
5121042430214
611002415032
71515455660
oct415454534
9156872852
1070670684
1136989a27
121b801478
1311844b96
1495588a0
15630e6de
hex436595c

70670684 has 12 divisors (see below), whose sum is σ = 141341424. Its totient is φ = 30287424.

The previous prime is 70670681. The next prime is 70670687. The reversal of 70670684 is 48607607.

It is an interprime number because it is at equal distance from previous prime (70670681) and next prime (70670687).

70670684 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261949 + ... + 1262004.

It is an arithmetic number, because the mean of its divisors is an integer number (11778452).

Almost surely, 270670684 is an apocalyptic number.

It is an amenable number.

70670684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70670684 is a wasteful number, since it uses less digits than its factorization.

70670684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523964 (or 2523962 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 70670684 is about 8406.5857516592. The cubic root of 70670684 is about 413.4405771553.

The spelling of 70670684 in words is "seventy million, six hundred seventy thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 2523953 5047906 10095812 17667671 35335342 70670684