75664345 has 8 divisors (see below), whose sum is σ = 92076480. Its totient is φ = 59678640.

The previous prime is 75664279. The next prime is 75664349. The reversal of 75664345 is 54346657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75664345 - 2²⁵ = 42109913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75664298 and 75664307.

It is not an unprimeable number, because it can be changed into a prime (75664349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106215 + ... + 106924.

It is an arithmetic number, because the mean of its divisors is an integer number (11509560).

Almost surely, 2^75664345 is an apocalyptic number.

It is an amenable number.

75664345 is a deficient number, since it is larger than the sum of its proper divisors (16412135).

75664345 is a wasteful number, since it uses less digits than its factorization.

75664345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213215.

The product of its digits is 302400, while the sum is 40.

The square root of 75664345 is about 8698.5254497530. The cubic root of 75664345 is about 422.9578524551.

It can be divided in two parts, 7566 and 4345, that added together give a palindrome (11911).

The spelling of 75664345 in words is "seventy-five million, six hundred sixty-four thousand, three hundred forty-five".