79447394 has 32 divisors (see below), whose sum is σ = 132632640. Its totient is φ = 35462592.

The previous prime is 79447373. The next prime is 79447397. The reversal of 79447394 is 49374497.

It is not an unprimeable number, because it can be changed into a prime (79447397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102392 + ... + 103164.

It is an arithmetic number, because the mean of its divisors is an integer number (4144770).

Almost surely, 2^79447394 is an apocalyptic number.

79447394 is a deficient number, since it is larger than the sum of its proper divisors (53185246).

79447394 is a wasteful number, since it uses less digits than its factorization.

79447394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its digits is 762048, while the sum is 47.

The square root of 79447394 is about 8913.3267638969. The cubic root of 79447394 is about 429.8925168530.

The spelling of 79447394 in words is "seventy-nine million, four hundred forty-seven thousand, three hundred ninety-four".