75645465 has 48 divisors (see below), whose sum is σ = 142326720. Its totient is φ = 34204800.

The previous prime is 75645457. The next prime is 75645503. The reversal of 75645465 is 56454657.

It is not a de Polignac number, because 75645465 - 2³ = 75645457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73726 + ... + 74744.

It is an arithmetic number, because the mean of its divisors is an integer number (2965140).

Almost surely, 2^75645465 is an apocalyptic number.

It is an amenable number.

75645465 is a deficient number, since it is larger than the sum of its proper divisors (66681255).

75645465 is a wasteful number, since it uses less digits than its factorization.

75645465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1135 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 75645465 is about 8697.4401406391. The cubic root of 75645465 is about 422.9226702807.

The spelling of 75645465 in words is "seventy-five million, six hundred forty-five thousand, four hundred sixty-five".