742677157672572 has 24 divisors (see below), whose sum is σ = 1733002615671376. Its totient is φ = 247546302876288.

The previous prime is 742677157672561. The next prime is 742677157672573. The reversal of 742677157672572 is 275276751776247.

It is a super-2 number, since 2×742677157672572² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742677157672494 and 742677157672503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742677157672573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593467443 + ... + 1593933450.

Almost surely, 2^{742677157672572} is an apocalyptic number.

It is an amenable number.

742677157672572 is an abundant number, since it is smaller than the sum of its proper divisors (990325457998804).

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

742677157672572 is a wasteful number, since it uses less digits than its factorization.

742677157672572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187420317 (or 3187420315 counting only the distinct ones).

The product of its digits is 3388291200, while the sum is 75.

The spelling of 742677157672572 in words is "seven hundred forty-two trillion, six hundred seventy-seven billion, one hundred fifty-seven million, six hundred seventy-two thousand, five hundred seventy-two".