75045765 has 16 divisors (see below), whose sum is σ = 124214400. Its totient is φ = 38644032.

The previous prime is 75045749. The next prime is 75045781. The reversal of 75045765 is 56754057.

It is an interprime number because it is at equal distance from previous prime (75045749) and next prime (75045781).

It is not a de Polignac number, because 75045765 - 2⁴ = 75045749 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 85825 + ... + 86694.

It is an arithmetic number, because the mean of its divisors is an integer number (7763400).

Almost surely, 2^75045765 is an apocalyptic number.

It is an amenable number.

75045765 is a deficient number, since it is larger than the sum of its proper divisors (49168635).

75045765 is a wasteful number, since it uses less digits than its factorization.

75045765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172556.

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

The square root of 75045765 is about 8662.8958784000. The cubic root of 75045765 is about 421.8020923118.

The spelling of 75045765 in words is "seventy-five million, forty-five thousand, seven hundred sixty-five".