623072994 has 32 divisors (see below), whose sum is σ = 1265077440. Its totient is φ = 204558912.

The previous prime is 623072993. The next prime is 623073019. The reversal of 623072994 is 499270326.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (623072993) 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, 110389 + ... + 115895.

It is an arithmetic number, because the mean of its divisors is an integer number (39533670).

Almost surely, 2^623072994 is an apocalyptic number.

623072994 is an abundant number, since it is smaller than the sum of its proper divisors (642004446).

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

623072994 is a wasteful number, since it uses less digits than its factorization.

623072994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794.

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

The square root of 623072994 is about 24961.4301272984. The cubic root of 623072994 is about 854.1083663380.

The spelling of 623072994 in words is "six hundred twenty-three million, seventy-two thousand, nine hundred ninety-four".