70645675 has 6 divisors (see below), whose sum is σ = 87600668. Its totient is φ = 56516520.

The previous prime is 70645651. The next prime is 70645709. The reversal of 70645675 is 57654607.

It is a happy number.

It is not a de Polignac number, because 70645675 - 2⁵ = 70645643 is a prime.

It is a super-2 number, since 2×70645675² = 9981622792411250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1412889 + ... + 1412938.

Almost surely, 2^70645675 is an apocalyptic number.

70645675 is a deficient number, since it is larger than the sum of its proper divisors (16954993).

70645675 is a wasteful number, since it uses less digits than its factorization.

70645675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825837 (or 2825832 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 70645675 is about 8405.0981552865. The cubic root of 70645675 is about 413.3918018370.

The spelling of 70645675 in words is "seventy million, six hundred forty-five thousand, six hundred seventy-five".