75904214517 has 12 divisors (see below), whose sum is σ = 109654058124. Its totient is φ = 50596054080.

The previous prime is 75904214471. The next prime is 75904214537. The reversal of 75904214517 is 71541240957.

75904214517 is a `hidden beast` number, since 7 + 5 + 90 + 42 + 1 + 4 + 517 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28732284036 + 47171930481 = 169506^2 + 217191^2 .

It is not a de Polignac number, because 75904214517 - 2¹⁸ = 75903952373 is a prime.

It is a super-2 number, since 2×75904214517² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75904214537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491328 + ... + 627065.

It is an arithmetic number, because the mean of its divisors is an integer number (9137838177).

Almost surely, 2^75904214517 is an apocalyptic number.

It is an amenable number.

75904214517 is a deficient number, since it is larger than the sum of its proper divisors (33749843607).

75904214517 is a wasteful number, since it uses less digits than its factorization.

75904214517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125940 (or 1125937 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 75904214517 in words is "seventy-five billion, nine hundred four million, two hundred fourteen thousand, five hundred seventeen".