672507724 has 48 divisors (see below), whose sum is σ = 1385395200. Its totient is φ = 279691776.

The previous prime is 672507683. The next prime is 672507727. The reversal of 672507724 is 427705276.

It is not an unprimeable number, because it can be changed into a prime (672507727) by changing a digit.

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, 127932 + ... + 133084.

It is an arithmetic number, because the mean of its divisors is an integer number (28862400).

Almost surely, 2^672507724 is an apocalyptic number.

It is an amenable number.

672507724 is an abundant number, since it is smaller than the sum of its proper divisors (712887476).

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

672507724 is a wasteful number, since it uses less digits than its factorization.

672507724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302 (or 5300 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 672507724 is about 25932.7538838435. The cubic root of 672507724 is about 876.1243663909.

The spelling of 672507724 in words is "six hundred seventy-two million, five hundred seven thousand, seven hundred twenty-four".