722903652 has 36 divisors (see below), whose sum is σ = 1831978876. Its totient is φ = 240356160.

The previous prime is 722903617. The next prime is 722903711. The reversal of 722903652 is 256309227.

722903652 is a `hidden beast` number, since 7 + 2 + 290 + 365 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 489913956 + 232989696 = 22134^2 + 15264^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×722903652³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 10999 + ... + 39582.

Almost surely, 2^722903652 is an apocalyptic number.

It is an amenable number.

722903652 is an abundant number, since it is smaller than the sum of its proper divisors (1109075224).

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

722903652 is a wasteful number, since it uses less digits than its factorization.

722903652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50988 (or 50983 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 722903652 is about 26886.8676494678. The cubic root of 722903652 is about 897.4841888054.

The spelling of 722903652 in words is "seven hundred twenty-two million, nine hundred three thousand, six hundred fifty-two".