75416665 has 16 divisors (see below), whose sum is σ = 92153088. Its totient is φ = 59239296.

The previous prime is 75416657. The next prime is 75416683. The reversal of 75416665 is 56661457.

It is a cyclic number.

It is not a de Polignac number, because 75416665 - 2³ = 75416657 is a prime.

It is a Duffinian number.

Its product of digits (151200) is a multiple of the sum of its prime divisors (1008).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133674 + ... + 134236.

It is an arithmetic number, because the mean of its divisors is an integer number (5759568).

Almost surely, 2^75416665 is an apocalyptic number.

It is an amenable number.

75416665 is a deficient number, since it is larger than the sum of its proper divisors (16736423).

75416665 is a wasteful number, since it uses less digits than its factorization.

75416665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its digits is 151200, while the sum is 40.

The square root of 75416665 is about 8684.2768841165. The cubic root of 75416665 is about 422.4958439422.

The spelling of 75416665 in words is "seventy-five million, four hundred sixteen thousand, six hundred sixty-five".