672156325 has 12 divisors (see below), whose sum is σ = 837430528. Its totient is φ = 535172400.

The previous prime is 672156311. The next prime is 672156341. The reversal of 672156325 is 523651276.

It is not a de Polignac number, because 672156325 - 2¹³ = 672148133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58437 + ... + 68986.

Almost surely, 2^672156325 is an apocalyptic number.

It is an amenable number.

672156325 is a deficient number, since it is larger than the sum of its proper divisors (165274203).

672156325 is a wasteful number, since it uses less digits than its factorization.

672156325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127644 (or 127639 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 672156325 is about 25925.9778021968. The cubic root of 672156325 is about 875.9717421888.

The spelling of 672156325 in words is "six hundred seventy-two million, one hundred fifty-six thousand, three hundred twenty-five".