75613689 has 8 divisors (see below), whose sum is σ = 112020320. Its totient is φ = 50409108.

The previous prime is 75613687. The next prime is 75613691. The reversal of 75613689 is 98631657.

It is a happy number.

75613689 is a `hidden beast` number, since 7 + 561 + 3 + 6 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (75613687) and next prime (75613691).

It is not a de Polignac number, because 75613689 - 2¹ = 75613687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75613687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400227 + ... + 1400280.

It is an arithmetic number, because the mean of its divisors is an integer number (14002540).

Almost surely, 2^75613689 is an apocalyptic number.

It is an amenable number.

75613689 is a deficient number, since it is larger than the sum of its proper divisors (36406631).

75613689 is a wasteful number, since it uses less digits than its factorization.

75613689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800516 (or 2800510 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 75613689 is about 8695.6132043692. The cubic root of 75613689 is about 422.8634436726.

The spelling of 75613689 in words is "seventy-five million, six hundred thirteen thousand, six hundred eighty-nine".