672475407725 has 36 divisors (see below), whose sum is σ = 966333948288. Its totient is φ = 460303968000.

The previous prime is 672475407713. The next prime is 672475407731. The reversal of 672475407725 is 527704574276.

It is not a de Polignac number, because 672475407725 - 2²⁰ = 672474359149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4151261 + ... + 4310210.

Almost surely, 2^672475407725 is an apocalyptic number.

It is an amenable number.

672475407725 is a deficient number, since it is larger than the sum of its proper divisors (293858540563).

672475407725 is a wasteful number, since it uses less digits than its factorization.

672475407725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461526 (or 8461504 counting only the distinct ones).

The product of its (nonzero) digits is 23049600, while the sum is 56.

The spelling of 672475407725 in words is "six hundred seventy-two billion, four hundred seventy-five million, four hundred seven thousand, seven hundred twenty-five".