70001997497524 has 24 divisors (see below), whose sum is σ = 127831333512960. Its totient is φ = 33478797421344.

The previous prime is 70001997497519. The next prime is 70001997497527. The reversal of 70001997497524 is 42579479910007.

It is a super-2 number, since 2×70001997497524² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70001997497527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699397 + ... + 12136339.

It is an arithmetic number, because the mean of its divisors is an integer number (5326305563040).

Almost surely, 2^{70001997497524} is an apocalyptic number.

It is an amenable number.

70001997497524 is a deficient number, since it is larger than the sum of its proper divisors (57829336015436).

70001997497524 is a wasteful number, since it uses less digits than its factorization.

70001997497524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517599 (or 9517597 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 64.

The spelling of 70001997497524 in words is "seventy trillion, one billion, nine hundred ninety-seven million, four hundred ninety-seven thousand, five hundred twenty-four".