75164693 has 4 divisors (see below), whose sum is σ = 75233580. Its totient is φ = 75095808.

The previous prime is 75164681. The next prime is 75164699. The reversal of 75164693 is 39646157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39646157 = 61 ⋅649937.

It can be written as a sum of positive squares in 2 ways, for example, as 20729809 + 54434884 = 4553^2 + 7378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75164693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75164693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75164699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32780 + ... + 34997.

It is an arithmetic number, because the mean of its divisors is an integer number (18808395).

Almost surely, 2^75164693 is an apocalyptic number.

It is an amenable number.

75164693 is a deficient number, since it is larger than the sum of its proper divisors (68887).

75164693 is a wasteful number, since it uses less digits than its factorization.

75164693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68886.

The product of its digits is 136080, while the sum is 41.

The square root of 75164693 is about 8669.7573783815. The cubic root of 75164693 is about 422.0247902150.

It can be divided in two parts, 75164 and 693, that added together give a palindrome (75857).

The spelling of 75164693 in words is "seventy-five million, one hundred sixty-four thousand, six hundred ninety-three".