722768004 has 72 divisors (see below), whose sum is σ = 2090728640. Its totient is φ = 206235072.

The previous prime is 722767973. The next prime is 722768017. The reversal of 722768004 is 400867227.

It is a super-2 number, since 2×722768004² = 1044787175212288032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 722768004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268047 + ... + 270729.

Almost surely, 2^722768004 is an apocalyptic number.

It is an amenable number.

722768004 is an abundant number, since it is smaller than the sum of its proper divisors (1367960636).

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

722768004 is a wasteful number, since it uses less digits than its factorization.

722768004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 722768004 is about 26884.3449613339. The cubic root of 722768004 is about 897.4280496734.

The spelling of 722768004 in words is "seven hundred twenty-two million, seven hundred sixty-eight thousand, four".