75694997 has 4 divisors (see below), whose sum is σ = 86508576. Its totient is φ = 64881420.

The previous prime is 75694991. The next prime is 75695021. The reversal of 75694997 is 79949657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79949657 = 17 ⋅4702921.

It is a cyclic number.

It is not a de Polignac number, because 75694997 - 2⁸ = 75694741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75694991) 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, 5406779 + ... + 5406792.

It is an arithmetic number, because the mean of its divisors is an integer number (21627144).

Almost surely, 2^75694997 is an apocalyptic number.

It is an amenable number.

75694997 is a deficient number, since it is larger than the sum of its proper divisors (10813579).

75694997 is a wasteful number, since it uses less digits than its factorization.

75694997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813578.

The product of its digits is 4286520, while the sum is 56.

The square root of 75694997 is about 8700.2871791683. The cubic root of 75694997 is about 423.0149588497.

The spelling of 75694997 in words is "seventy-five million, six hundred ninety-four thousand, nine hundred ninety-seven".