79072226 has 8 divisors (see below), whose sum is σ = 120552924. Its totient is φ = 38887920.

The previous prime is 79072211. The next prime is 79072249. The reversal of 79072226 is 62227097.

It can be written as a sum of positive squares in 2 ways, for example, as 76825225 + 2247001 = 8765^2 + 1499^2 .

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

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, 323945 + ... + 324188.

Almost surely, 2^79072226 is an apocalyptic number.

79072226 is a deficient number, since it is larger than the sum of its proper divisors (41480698).

79072226 is a wasteful number, since it uses less digits than its factorization.

79072226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648196.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 79072226 is about 8892.2565190170. The cubic root of 79072226 is about 429.2147666871.

The spelling of 79072226 in words is "seventy-nine million, seventy-two thousand, two hundred twenty-six".