722562804 has 18 divisors (see below), whose sum is σ = 1826478290. Its totient is φ = 240854256.

The previous prime is 722562769. The next prime is 722562809. The reversal of 722562804 is 408265227.

722562804 is a `hidden beast` number, since 7 + 2 + 25 + 628 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 608115600 + 114447204 = 24660^2 + 10698^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20071189 = 722562804 / (7 + 2 + 2 + 5 + 6 + 2 + 8 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722562809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10035559 + ... + 10035630.

Almost surely, 2^722562804 is an apocalyptic number.

It is an amenable number.

722562804 is an abundant number, since it is smaller than the sum of its proper divisors (1103915486).

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

722562804 is a wasteful number, since it uses less digits than its factorization.

722562804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20071199 (or 20071194 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 722562804 is about 26880.5283430218. The cubic root of 722562804 is about 897.3431124759.

The spelling of 722562804 in words is "seven hundred twenty-two million, five hundred sixty-two thousand, eight hundred four".