75684417 has 16 divisors (see below), whose sum is σ = 102658752. Its totient is φ = 49591040.

The previous prime is 75684407. The next prime is 75684419. The reversal of 75684417 is 71448657.

It is a cyclic number.

It is not a de Polignac number, because 75684417 - 2¹⁸ = 75422273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75684419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43117 + ... + 44837.

It is an arithmetic number, because the mean of its divisors is an integer number (6416172).

Almost surely, 2^75684417 is an apocalyptic number.

It is an amenable number.

75684417 is a deficient number, since it is larger than the sum of its proper divisors (26974335).

75684417 is a wasteful number, since it uses less digits than its factorization.

75684417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968.

The product of its digits is 188160, while the sum is 42.

The square root of 75684417 is about 8699.6791320140. The cubic root of 75684417 is about 422.9952494590.

The spelling of 75684417 in words is "seventy-five million, six hundred eighty-four thousand, four hundred seventeen".