722475016 has 16 divisors (see below), whose sum is σ = 1354943340. Its totient is φ = 361156800.

The previous prime is 722475007. The next prime is 722475029. The reversal of 722475016 is 610574227.

It can be written as a sum of positive squares in 2 ways, for example, as 720922500 + 1552516 = 26850^2 + 1246^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46870 + ... + 60346.

Almost surely, 2^722475016 is an apocalyptic number.

It is an amenable number.

722475016 is a deficient number, since it is larger than the sum of its proper divisors (632468324).

722475016 is a wasteful number, since it uses less digits than its factorization.

722475016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20184 (or 20180 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 722475016 is about 26878.8953642072. The cubic root of 722475016 is about 897.3067700075.

The spelling of 722475016 in words is "seven hundred twenty-two million, four hundred seventy-five thousand, sixteen".