75914865 has 24 divisors (see below), whose sum is σ = 141708840. Its totient is φ = 37373184.

The previous prime is 75914857. The next prime is 75914879. The reversal of 75914865 is 56841957.

It can be written as a sum of positive squares in 4 ways, for example, as 16378209 + 59536656 = 4047^2 + 7716^2 .

It is not a de Polignac number, because 75914865 - 2³ = 75914857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75914865.

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 23 ways as a sum of consecutive naturals, for example, 64300 + ... + 65469.

It is an arithmetic number, because the mean of its divisors is an integer number (5904535).

Almost surely, 2^75914865 is an apocalyptic number.

It is an amenable number.

75914865 is a deficient number, since it is larger than the sum of its proper divisors (65793975).

75914865 is a wasteful number, since it uses less digits than its factorization.

75914865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129793 (or 129790 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 75914865 is about 8712.9136917566. The cubic root of 75914865 is about 423.4241340489.

The spelling of 75914865 in words is "seventy-five million, nine hundred fourteen thousand, eight hundred sixty-five".