722039004 has 36 divisors (see below), whose sum is σ = 1863991584. Its totient is φ = 235558272.

The previous prime is 722038937. The next prime is 722039009. The reversal of 722039004 is 400930227.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×722039004³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722039009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211677 + ... + 215060.

It is an arithmetic number, because the mean of its divisors is an integer number (51777544).

Almost surely, 2^722039004 is an apocalyptic number.

It is an amenable number.

722039004 is an abundant number, since it is smaller than the sum of its proper divisors (1141952580).

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

722039004 is a wasteful number, since it uses less digits than its factorization.

722039004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426794 (or 426789 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 722039004 is about 26870.7834645736. The cubic root of 722039004 is about 897.1262261638.

The spelling of 722039004 in words is "seven hundred twenty-two million, thirty-nine thousand, four".