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70672379 = 151468029
BaseRepresentation
bin1000011011001…
…01111111111011
311220222112021112
410031211333323
5121043004004
611002430535
71515463631
oct415457773
9156875245
1070672379
1136990228
121b80244b
131184589b
149559351
15630ee6e
hex4365ffb

70672379 has 4 divisors (see below), whose sum is σ = 71140560. Its totient is φ = 70204200.

The previous prime is 70672369. The next prime is 70672387. The reversal of 70672379 is 97327607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70672379 - 216 = 70606843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70672369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233864 + ... + 234165.

It is an arithmetic number, because the mean of its divisors is an integer number (17785140).

Almost surely, 270672379 is an apocalyptic number.

70672379 is a deficient number, since it is larger than the sum of its proper divisors (468181).

70672379 is a wasteful number, since it uses less digits than its factorization.

70672379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468180.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 70672379 is about 8406.6865648720. The cubic root of 70672379 is about 413.4438825153.

The spelling of 70672379 in words is "seventy million, six hundred seventy-two thousand, three hundred seventy-nine".

Divisors: 1 151 468029 70672379