722460740 has 24 divisors (see below), whose sum is σ = 1517799192. Its totient is φ = 288864000.

The previous prime is 722460721. The next prime is 722460757. The reversal of 722460740 is 47064227.

It can be written as a sum of positive squares in 4 ways, for example, as 33856 + 722426884 = 184^2 + 26878^2 .

It is a junction number, because it is equal to n+sod(n) for n = 722460697 and 722460706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54002 + ... + 66038.

It is an arithmetic number, because the mean of its divisors is an integer number (63241633).

Almost surely, 2^722460740 is an apocalyptic number.

It is an amenable number.

722460740 is an abundant number, since it is smaller than the sum of its proper divisors (795338452).

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

722460740 is a wasteful number, since it uses less digits than its factorization.

722460740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15047 (or 15045 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 722460740 is about 26878.6298013868. The cubic root of 722460740 is about 897.3008597520.

The spelling of 722460740 in words is "seven hundred twenty-two million, four hundred sixty thousand, seven hundred forty".