742704721764 has 48 divisors (see below), whose sum is σ = 1757523793536. Its totient is φ = 244062201600.

The previous prime is 742704721709. The next prime is 742704721777. The reversal of 742704721764 is 467127407247.

It is a super-2 number, since 2×742704721764² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14390934 + ... + 14442450.

It is an arithmetic number, because the mean of its divisors is an integer number (36615079032).

Almost surely, 2^742704721764 is an apocalyptic number.

It is an amenable number.

742704721764 is an abundant number, since it is smaller than the sum of its proper divisors (1014819071772).

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

742704721764 is a wasteful number, since it uses less digits than its factorization.

742704721764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68516 (or 68514 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 51.

The spelling of 742704721764 in words is "seven hundred forty-two billion, seven hundred four million, seven hundred twenty-one thousand, seven hundred sixty-four".