75731825 has 12 divisors (see below), whose sum is σ = 101131548. Its totient is φ = 55924800.

The previous prime is 75731749. The next prime is 75731833. The reversal of 75731825 is 52813757.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1151329 + 74580496 = 1073^2 + 8636^2 .

It is not a de Polignac number, because 75731825 - 2¹⁶ = 75666289 is a prime.

It is a Duffinian number.

It is a Curzon 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, 116186 + ... + 116835.

It is an arithmetic number, because the mean of its divisors is an integer number (8427629).

Almost surely, 2^75731825 is an apocalyptic number.

It is an amenable number.

75731825 is a deficient number, since it is larger than the sum of its proper divisors (25399723).

75731825 is a wasteful number, since it uses less digits than its factorization.

75731825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233044 (or 233039 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 75731825 is about 8702.4034036581. The cubic root of 75731825 is about 423.0835510935.

The spelling of 75731825 in words is "seventy-five million, seven hundred thirty-one thousand, eight hundred twenty-five".