75500613 has 16 divisors (see below), whose sum is σ = 112350400. Its totient is φ = 50109840.

The previous prime is 75500603. The next prime is 75500617. The reversal of 75500613 is 31600557.

It is not a de Polignac number, because 75500613 - 2⁹ = 75500101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75500617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78 + ... + 12288.

It is an arithmetic number, because the mean of its divisors is an integer number (7021900).

Almost surely, 2^75500613 is an apocalyptic number.

It is an amenable number.

75500613 is a deficient number, since it is larger than the sum of its proper divisors (36849787).

75500613 is a wasteful number, since it uses less digits than its factorization.

75500613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12443 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 75500613 is about 8689.1088726060. The cubic root of 75500613 is about 422.6525490474.

The spelling of 75500613 in words is "seventy-five million, five hundred thousand, six hundred thirteen".