7642700756464 has 40 divisors (see below), whose sum is σ = 14902157049120. Its totient is φ = 3797033011968.

The previous prime is 7642700756459. The next prime is 7642700756479. The reversal of 7642700756464 is 4646570072467.

It is a junction number, because it is equal to n+sod(n) for n = 7642700756399 and 7642700756408.

It is a congruent number.

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, 868117 + ... + 4004875.

It is an arithmetic number, because the mean of its divisors is an integer number (372553926228).

Almost surely, 2^{7642700756464} is an apocalyptic number.

It is an amenable number.

7642700756464 is a deficient number, since it is larger than the sum of its proper divisors (7259456292656).

7642700756464 is a wasteful number, since it uses less digits than its factorization.

7642700756464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137737 (or 3137731 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 58.

The spelling of 7642700756464 in words is "seven trillion, six hundred forty-two billion, seven hundred million, seven hundred fifty-six thousand, four hundred sixty-four".