75501613 has 16 divisors (see below), whose sum is σ = 84067200. Its totient is φ = 67233600.

The previous prime is 75501581. The next prime is 75501619. The reversal of 75501613 is 31610557.

It is a cyclic number.

It is not a de Polignac number, because 75501613 - 2⁵ = 75501581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75501619) 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, 216163 + ... + 216511.

It is an arithmetic number, because the mean of its divisors is an integer number (5254200).

Almost surely, 2^75501613 is an apocalyptic number.

It is an amenable number.

75501613 is a deficient number, since it is larger than the sum of its proper divisors (8565587).

75501613 is a wasteful number, since it uses less digits than its factorization.

75501613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 75501613 is about 8689.1664157156. The cubic root of 75501613 is about 422.6544150397.

The spelling of 75501613 in words is "seventy-five million, five hundred one thousand, six hundred thirteen".