722068512 has 48 divisors (see below), whose sum is σ = 2067744672. Its totient is φ = 218808320.

The previous prime is 722068511. The next prime is 722068519. The reversal of 722068512 is 215860227.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (722068511) 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 in 7 ways as a sum of consecutive naturals, for example, 340833 + ... + 342944.

It is an arithmetic number, because the mean of its divisors is an integer number (43078014).

Almost surely, 2^722068512 is an apocalyptic number.

It is an amenable number.

722068512 is an abundant number, since it is smaller than the sum of its proper divisors (1345676160).

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

722068512 is a wasteful number, since it uses less digits than its factorization.

722068512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683801 (or 683793 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 722068512 is about 26871.3325311567. The cubic root of 722068512 is about 897.1384471287.

The spelling of 722068512 in words is "seven hundred twenty-two million, sixty-eight thousand, five hundred twelve".