70004156 has 12 divisors (see below), whose sum is σ = 123697392. Its totient is φ = 34662048.

The previous prime is 70004141. The next prime is 70004159. The reversal of 70004156 is 65140007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70004159) 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, 84545 + ... + 85368.

It is an arithmetic number, because the mean of its divisors is an integer number (10308116).

Almost surely, 2^70004156 is an apocalyptic number.

It is an amenable number.

70004156 is a deficient number, since it is larger than the sum of its proper divisors (53693236).

70004156 is a wasteful number, since it uses less digits than its factorization.

70004156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170020 (or 170018 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 70004156 is about 8366.8486301594. The cubic root of 70004156 is about 412.1366860393.

The spelling of 70004156 in words is "seventy million, four thousand, one hundred fifty-six".