623733972 has 24 divisors (see below), whose sum is σ = 1505565600. Its totient is φ = 200741856.

The previous prime is 623733953. The next prime is 623733997. The reversal of 623733972 is 279337326.

623733972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895822 + ... + 896517.

It is an arithmetic number, because the mean of its divisors is an integer number (62731900).

Almost surely, 2^623733972 is an apocalyptic number.

It is an amenable number.

623733972 is an abundant number, since it is smaller than the sum of its proper divisors (881831628).

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

623733972 is a wasteful number, since it uses less digits than its factorization.

623733972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792375 (or 1792373 counting only the distinct ones).

The product of its digits is 285768, while the sum is 42.

The square root of 623733972 is about 24974.6666043813. Note that the first 4 decimals coincide. The cubic root of 623733972 is about 854.4102824497.

The spelling of 623733972 in words is "six hundred twenty-three million, seven hundred thirty-three thousand, nine hundred seventy-two".