672628704 has 96 divisors (see below), whose sum is σ = 1971091584. Its totient is φ = 199073280.

The previous prime is 672628699. The next prime is 672628717. The reversal of 672628704 is 407826276.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38002 + ... + 52814.

It is an arithmetic number, because the mean of its divisors is an integer number (20532204).

Almost surely, 2^672628704 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 672628704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985545792).

672628704 is an abundant number, since it is smaller than the sum of its proper divisors (1298462880).

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

672628704 is a wasteful number, since it uses less digits than its factorization.

672628704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880 (or 14872 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 672628704 is about 25935.0863503479. The cubic root of 672628704 is about 876.1768997011.

The spelling of 672628704 in words is "six hundred seventy-two million, six hundred twenty-eight thousand, seven hundred four".