722674040 has 32 divisors (see below), whose sum is σ = 1773837360. Its totient is φ = 262790400.

The previous prime is 722674019. The next prime is 722674049. The reversal of 722674040 is 40476227.

It is a junction number, because it is equal to n+sod(n) for n = 722673988 and 722674006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722674049) by changing a digit.

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, 820781 + ... + 821660.

Almost surely, 2^722674040 is an apocalyptic number.

It is an amenable number.

722674040 is an abundant number, since it is smaller than the sum of its proper divisors (1051163320).

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

722674040 is a wasteful number, since it uses less digits than its factorization.

722674040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642463 (or 1642459 counting only the distinct ones).

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

The square root of 722674040 is about 26882.5973447507. The cubic root of 722674040 is about 897.3891577176.

The spelling of 722674040 in words is "seven hundred twenty-two million, six hundred seventy-four thousand, forty".