721835512340674 has 16 divisors (see below), whose sum is σ = 1086244255848960. Its totient is φ = 359754113950560.

The previous prime is 721835512340629. The next prime is 721835512340707. The reversal of 721835512340674 is 476043215538127.

It is a super-2 number, since 2×721835512340674² (a number of 31 digits) contains 22 as substring.

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, 67209007 + ... + 77205709.

It is an arithmetic number, because the mean of its divisors is an integer number (67890265990560).

Almost surely, 2^{721835512340674} is an apocalyptic number.

721835512340674 is a deficient number, since it is larger than the sum of its proper divisors (364408743508286).

721835512340674 is a wasteful number, since it uses less digits than its factorization.

721835512340674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113105.

The product of its (nonzero) digits is 33868800, while the sum is 58.

The spelling of 721835512340674 in words is "seven hundred twenty-one trillion, eight hundred thirty-five billion, five hundred twelve million, three hundred forty thousand, six hundred seventy-four".