70236257408 has 32 divisors (see below), whose sum is σ = 139936126620. Its totient is φ = 35115033600.

The previous prime is 70236257387. The next prime is 70236257437. The reversal of 70236257408 is 80475263207.

It can be written as a sum of positive squares in 2 ways, for example, as 65622044224 + 4614213184 = 256168^2 + 67928^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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, 2312078 + ... + 2342258.

Almost surely, 2^70236257408 is an apocalyptic number.

It is an amenable number.

70236257408 is a deficient number, since it is larger than the sum of its proper divisors (69699869212).

70236257408 is a wasteful number, since it uses less digits than its factorization.

70236257408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48376 (or 48364 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 70236257408 in words is "seventy billion, two hundred thirty-six million, two hundred fifty-seven thousand, four hundred eight".