722736016 has 10 divisors (see below), whose sum is σ = 1400301062. Its totient is φ = 361368000.

The previous prime is 722736013. The next prime is 722736043. The reversal of 722736016 is 610637227.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 684345600 + 38390416 = 26160^2 + 6196^2 .

It is a super-3 number, since 3×722736016³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (722736013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22585485 + ... + 22585516.

Almost surely, 2^722736016 is an apocalyptic number.

It is an amenable number.

722736016 is a deficient number, since it is larger than the sum of its proper divisors (677565046).

722736016 is a wasteful number, since it uses less digits than its factorization.

722736016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45171009 (or 45171003 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 722736016 is about 26883.7500360348. The cubic root of 722736016 is about 897.4148101314.

The spelling of 722736016 in words is "seven hundred twenty-two million, seven hundred thirty-six thousand, sixteen".