623619672 has 64 divisors (see below), whose sum is σ = 1767360000. Its totient is φ = 181782144.

The previous prime is 623619671. The next prime is 623619697. The reversal of 623619672 is 276916326.

623619672 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 not an unprimeable number, because it can be changed into a prime (623619671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46672 + ... + 58527.

It is an arithmetic number, because the mean of its divisors is an integer number (27615000).

Almost surely, 2^623619672 is an apocalyptic number.

It is an amenable number.

623619672 is an abundant number, since it is smaller than the sum of its proper divisors (1143740328).

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

623619672 is a wasteful number, since it uses less digits than its factorization.

623619672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105240 (or 105236 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 623619672 is about 24972.3781807020. The cubic root of 623619672 is about 854.3580886910.

The spelling of 623619672 in words is "six hundred twenty-three million, six hundred nineteen thousand, six hundred seventy-two".