70004256 has 48 divisors (see below), whose sum is σ = 210014784. Its totient is φ = 20001024.

The previous prime is 70004237. The next prime is 70004287. The reversal of 70004256 is 65240007.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×70004256² = 9801191716227072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51415 + ... + 52758.

It is an arithmetic number, because the mean of its divisors is an integer number (4375308).

Almost surely, 2^70004256 is an apocalyptic number.

It is an amenable number.

70004256 is an abundant number, since it is smaller than the sum of its proper divisors (140010528).

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

70004256 is a wasteful number, since it uses less digits than its factorization.

70004256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104193 (or 104185 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70004256 is about 8366.8546061229. The cubic root of 70004256 is about 412.1368822831.

The spelling of 70004256 in words is "seventy million, four thousand, two hundred fifty-six".