72750525417 has 24 divisors (see below), whose sum is σ = 106369028480. Its totient is φ = 47909996640.

The previous prime is 72750525413. The next prime is 72750525431. The reversal of 72750525417 is 71452505727.

72750525417 is a `hidden beast` number, since 7 + 2 + 7 + 50 + 52 + 541 + 7 = 666.

It is not a de Polignac number, because 72750525417 - 2² = 72750525413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72750525413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212688 + ... + 436734.

Almost surely, 2^72750525417 is an apocalyptic number.

It is an amenable number.

72750525417 is a deficient number, since it is larger than the sum of its proper divisors (33618503063).

72750525417 is a wasteful number, since it uses less digits than its factorization.

72750525417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224493 (or 224490 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 45.

The spelling of 72750525417 in words is "seventy-two billion, seven hundred fifty million, five hundred twenty-five thousand, four hundred seventeen".