73256725 has 12 divisors (see below), whose sum is σ = 94788576. Its totient is φ = 56056880.

The previous prime is 73256699. The next prime is 73256731. The reversal of 73256725 is 52765237.

It is not a de Polignac number, because 73256725 - 2¹¹ = 73254677 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, 63127 + ... + 64276.

It is an arithmetic number, because the mean of its divisors is an integer number (7899048).

Almost surely, 2^73256725 is an apocalyptic number.

It is an amenable number.

73256725 is a deficient number, since it is larger than the sum of its proper divisors (21531851).

73256725 is a wasteful number, since it uses less digits than its factorization.

73256725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127436 (or 127431 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 73256725 is about 8559.0142539898. The cubic root of 73256725 is about 418.4232737664.

The spelling of 73256725 in words is "seventy-three million, two hundred fifty-six thousand, seven hundred twenty-five".