70037890578 has 12 divisors (see below), whose sum is σ = 151748762958. Its totient is φ = 23345963520.

The previous prime is 70037890543. The next prime is 70037890603. The reversal of 70037890578 is 87509873007.

It can be written as a sum of positive squares in only one way, i.e., 57829187529 + 12208703049 = 240477^2 + 110493^2 .

It is a super-2 number, since 2×70037890578² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1945496943 + ... + 1945496978.

Almost surely, 2^70037890578 is an apocalyptic number.

70037890578 is an abundant number, since it is smaller than the sum of its proper divisors (81710872380).

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

70037890578 is a wasteful number, since it uses less digits than its factorization.

70037890578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890993929 (or 3890993926 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 70037890578 in words is "seventy billion, thirty-seven million, eight hundred ninety thousand, five hundred seventy-eight".