672748825 has 48 divisors (see below), whose sum is σ = 989936640. Its totient is φ = 443808000.

The previous prime is 672748819. The next prime is 672748829. The reversal of 672748825 is 528847276.

It is not a de Polignac number, because 672748825 - 2⁵ = 672748793 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (672748829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1459095 + ... + 1459555.

It is an arithmetic number, because the mean of its divisors is an integer number (20623680).

Almost surely, 2^672748825 is an apocalyptic number.

It is an amenable number.

672748825 is a deficient number, since it is larger than the sum of its proper divisors (317187815).

672748825 is a wasteful number, since it uses less digits than its factorization.

672748825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 773 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 672748825 is about 25937.4020480078. The cubic root of 672748825 is about 876.2290537747.

The spelling of 672748825 in words is "six hundred seventy-two million, seven hundred forty-eight thousand, eight hundred twenty-five".