70520328538 has 16 divisors (see below), whose sum is σ = 116693498880. Its totient is φ = 31694528800.

The previous prime is 70520328521. The next prime is 70520328551. The reversal of 70520328538 is 83582302507.

It is a super-3 number, since 3×70520328538³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70520328494 and 70520328503.

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, 18006298 + ... + 18010213.

It is an arithmetic number, because the mean of its divisors is an integer number (7293343680).

Almost surely, 2^70520328538 is an apocalyptic number.

70520328538 is a deficient number, since it is larger than the sum of its proper divisors (46173170342).

70520328538 is a wasteful number, since it uses less digits than its factorization.

70520328538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36016613.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 70520328538 in words is "seventy billion, five hundred twenty million, three hundred twenty-eight thousand, five hundred thirty-eight".