722004537 has 16 divisors (see below), whose sum is σ = 971873408. Its totient is φ = 476755200.

The previous prime is 722004527. The next prime is 722004557. The reversal of 722004537 is 735400227.

It is not a de Polignac number, because 722004537 - 2⁶ = 722004473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722004527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166833 + ... + 171105.

It is an arithmetic number, because the mean of its divisors is an integer number (60742088).

Almost surely, 2^722004537 is an apocalyptic number.

It is an amenable number.

722004537 is a deficient number, since it is larger than the sum of its proper divisors (249868871).

722004537 is a wasteful number, since it uses less digits than its factorization.

722004537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 722004537 is about 26870.1421097842. The cubic root of 722004537 is about 897.1119509692. Note that the first 3 decimals are identical.

The spelling of 722004537 in words is "seven hundred twenty-two million, four thousand, five hundred thirty-seven".