79742299 has 16 divisors (see below), whose sum is σ = 98364672. Its totient is φ = 62951328.

The previous prime is 79742293. The next prime is 79742317. The reversal of 79742299 is 99224797.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 79742299 - 2¹³ = 79734107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79742293) 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, 61512 + ... + 62794.

It is an arithmetic number, because the mean of its divisors is an integer number (6147792).

Almost surely, 2^79742299 is an apocalyptic number.

79742299 is a deficient number, since it is larger than the sum of its proper divisors (18622373).

79742299 is a wasteful number, since it uses less digits than its factorization.

79742299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986.

The product of its digits is 571536, while the sum is 49.

The square root of 79742299 is about 8929.8543661137. The cubic root of 79742299 is about 430.4237736801.

The spelling of 79742299 in words is "seventy-nine million, seven hundred forty-two thousand, two hundred ninety-nine".