672446025 has 36 divisors (see below), whose sum is σ = 1219703680. Its totient is φ = 354088800.

The previous prime is 672445993. The next prime is 672446057. The reversal of 672446025 is 520644276.

672446025 is a `hidden beast` number, since 6 + 7 + 2 + 44 + 602 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (672445993) and next prime (672446057).

It is not a de Polignac number, because 672446025 - 2⁵ = 672445993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1141 + ... + 36690.

Almost surely, 2^672446025 is an apocalyptic number.

It is an amenable number.

672446025 is a deficient number, since it is larger than the sum of its proper divisors (547257655).

672446025 is a wasteful number, since it uses less digits than its factorization.

672446025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37926 (or 37918 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 672446025 is about 25931.5642605686. The cubic root of 672446025 is about 876.0975723242.

The spelling of 672446025 in words is "six hundred seventy-two million, four hundred forty-six thousand, twenty-five".