75011725 has 6 divisors (see below), whose sum is σ = 93014570. Its totient is φ = 60009360.

The previous prime is 75011711. The next prime is 75011771. The reversal of 75011725 is 52711057.

It can be written as a sum of positive squares in 3 ways, for example, as 23444964 + 51566761 = 4842^2 + 7181^2 .

It is not a de Polignac number, because 75011725 - 2⁵ = 75011693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75011693 and 75011702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1500210 + ... + 1500259.

Almost surely, 2^75011725 is an apocalyptic number.

It is an amenable number.

75011725 is a deficient number, since it is larger than the sum of its proper divisors (18002845).

75011725 is a wasteful number, since it uses less digits than its factorization.

75011725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000479 (or 3000474 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 75011725 is about 8660.9309545799. The cubic root of 75011725 is about 421.7383076124.

The spelling of 75011725 in words is "seventy-five million, eleven thousand, seven hundred twenty-five".