623959074 has 48 divisors (see below), whose sum is σ = 1405666080. Its totient is φ = 199869120.

The previous prime is 623959027. The next prime is 623959139. The reversal of 623959074 is 470959326.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43137 + ... + 55755.

It is an arithmetic number, because the mean of its divisors is an integer number (29284710).

Almost surely, 2^623959074 is an apocalyptic number.

623959074 is an abundant number, since it is smaller than the sum of its proper divisors (781707006).

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

623959074 is a wasteful number, since it uses less digits than its factorization.

623959074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735 (or 12732 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 623959074 is about 24979.1728045586. The cubic root of 623959074 is about 854.5130540049.

The spelling of 623959074 in words is "six hundred twenty-three million, nine hundred fifty-nine thousand, seventy-four".