75664226 has 8 divisors (see below), whose sum is σ = 123814224. Its totient is φ = 34392820.

The previous prime is 75664207. The next prime is 75664241. The reversal of 75664226 is 62246657.

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

It is a self number, because there is not a number n which added to its sum of digits gives 75664226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719620 + ... + 1719663.

It is an arithmetic number, because the mean of its divisors is an integer number (15476778).

Almost surely, 2^75664226 is an apocalyptic number.

75664226 is a deficient number, since it is larger than the sum of its proper divisors (48149998).

75664226 is a wasteful number, since it uses less digits than its factorization.

75664226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439296.

The product of its digits is 120960, while the sum is 38.

The square root of 75664226 is about 8698.5186095105. The cubic root of 75664226 is about 422.9576307214.

Subtracting from 75664226 its reverse (62246657), we obtain a square (13417569 = 3663²).

The spelling of 75664226 in words is "seventy-five million, six hundred sixty-four thousand, two hundred twenty-six".