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70670957 = 757117681
BaseRepresentation
bin1000011011001…
…01101001101101
311220222110022212
410031211221231
5121042432312
611002420205
71515456530
oct415455155
9156873285
1070670957
113698a155
121b801665
1311845046
149558a17
15630e822
hex4365a6d

70670957 has 8 divisors (see below), whose sum is σ = 80912832. Its totient is φ = 60465600.

The previous prime is 70670947. The next prime is 70670959. The reversal of 70670957 is 75907607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70670957 - 210 = 70669933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4844 + ... + 12837.

It is an arithmetic number, because the mean of its divisors is an integer number (10114104).

Almost surely, 270670957 is an apocalyptic number.

It is an amenable number.

70670957 is a deficient number, since it is larger than the sum of its proper divisors (10241875).

70670957 is a wasteful number, since it uses less digits than its factorization.

70670957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18259.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 70670957 is about 8406.6019889132. The cubic root of 70670957 is about 413.4411095266.

The spelling of 70670957 in words is "seventy million, six hundred seventy thousand, nine hundred fifty-seven".

Divisors: 1 7 571 3997 17681 123767 10095851 70670957