742692864624 has 40 divisors (see below), whose sum is σ = 1933730519040. Its totient is φ = 245614961088.

The previous prime is 742692864619. The next prime is 742692864631. The reversal of 742692864624 is 426468296247.

It is a happy number.

It is a super-2 number, since 2×742692864624² (a number of 25 digits) contains 22 as substring.

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, 60910314 + ... + 60922505.

It is an arithmetic number, because the mean of its divisors is an integer number (48343262976).

Almost surely, 2^742692864624 is an apocalyptic number.

It is an amenable number.

742692864624 is an abundant number, since it is smaller than the sum of its proper divisors (1191037654416).

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

742692864624 is a wasteful number, since it uses less digits than its factorization.

742692864624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121832957 (or 121832951 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 60.

The spelling of 742692864624 in words is "seven hundred forty-two billion, six hundred ninety-two million, eight hundred sixty-four thousand, six hundred twenty-four".