722764372 has 24 divisors (see below), whose sum is σ = 1395334080. Its totient is φ = 324836160.

The previous prime is 722764321. The next prime is 722764421. The reversal of 722764372 is 273467227.

It is a super-4 number, since 4×722764372⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 88368 + ... + 96199.

It is an arithmetic number, because the mean of its divisors is an integer number (58138920).

Almost surely, 2^722764372 is an apocalyptic number.

It is an amenable number.

722764372 is a deficient number, since it is larger than the sum of its proper divisors (672569708).

722764372 is a wasteful number, since it uses less digits than its factorization.

722764372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184671 (or 184669 counting only the distinct ones).

The product of its digits is 197568, while the sum is 40.

The square root of 722764372 is about 26884.2774126440. The cubic root of 722764372 is about 897.4265464413.

The spelling of 722764372 in words is "seven hundred twenty-two million, seven hundred sixty-four thousand, three hundred seventy-two".