75225765 has 32 divisors (see below), whose sum is σ = 128321280. Its totient is φ = 37499904.

The previous prime is 75225727. The next prime is 75225817. The reversal of 75225765 is 56752257.

It is not a de Polignac number, because 75225765 - 2⁶ = 75225701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39096 + ... + 40974.

It is an arithmetic number, because the mean of its divisors is an integer number (4010040).

Almost surely, 2^75225765 is an apocalyptic number.

It is an amenable number.

75225765 is a deficient number, since it is larger than the sum of its proper divisors (53095515).

75225765 is a wasteful number, since it uses less digits than its factorization.

75225765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its digits is 147000, while the sum is 39.

The square root of 75225765 is about 8673.2787917834. The cubic root of 75225765 is about 422.1390589388.

The spelling of 75225765 in words is "seventy-five million, two hundred twenty-five thousand, seven hundred sixty-five".