73758725 has 12 divisors (see below), whose sum is σ = 92079300. Its totient is φ = 58608000.

The previous prime is 73758721. The next prime is 73758739. The reversal of 73758725 is 52785737.

It can be written as a sum of positive squares in 6 ways, for example, as 34093921 + 39664804 = 5839^2 + 6298^2 .

It is not a de Polignac number, because 73758725 - 2² = 73758721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73758721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6176 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (7673275).

Almost surely, 2^73758725 is an apocalyptic number.

It is an amenable number.

73758725 is a deficient number, since it is larger than the sum of its proper divisors (18320575).

73758725 is a wasteful number, since it uses less digits than its factorization.

73758725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19960 (or 19955 counting only the distinct ones).

The product of its digits is 411600, while the sum is 44.

The square root of 73758725 is about 8588.2899927750. The cubic root of 73758725 is about 419.3768631606.

The spelling of 73758725 in words is "seventy-three million, seven hundred fifty-eight thousand, seven hundred twenty-five".