623274672 has 80 divisors (see below), whose sum is σ = 1711497600. Its totient is φ = 194774016.

The previous prime is 623274629. The next prime is 623274683. The reversal of 623274672 is 276472326.

It is a self number, because there is not a number n which added to its sum of digits gives 623274672.

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 15 ways as a sum of consecutive naturals, for example, 229579 + ... + 232277.

It is an arithmetic number, because the mean of its divisors is an integer number (21393720).

Almost surely, 2^623274672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623274672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855748800).

623274672 is an abundant number, since it is smaller than the sum of its proper divisors (1088222928).

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

623274672 is a wasteful number, since it uses less digits than its factorization.

623274672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 3004 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 623274672 is about 24965.4695930199. The cubic root of 623274672 is about 854.2005097876.

The spelling of 623274672 in words is "six hundred twenty-three million, two hundred seventy-four thousand, six hundred seventy-two".