79842735 has 24 divisors (see below), whose sum is σ = 158165280. Its totient is φ = 36499392.

The previous prime is 79842691. The next prime is 79842743. The reversal of 79842735 is 53724897.

It is not a de Polignac number, because 79842735 - 2⁶ = 79842671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126420 + ... + 127049.

It is an arithmetic number, because the mean of its divisors is an integer number (6590220).

Almost surely, 2^79842735 is an apocalyptic number.

79842735 is a deficient number, since it is larger than the sum of its proper divisors (78322545).

79842735 is a wasteful number, since it uses less digits than its factorization.

79842735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253487 (or 253484 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 79842735 is about 8935.4762044337. The cubic root of 79842735 is about 430.6044051469.

The spelling of 79842735 in words is "seventy-nine million, eight hundred forty-two thousand, seven hundred thirty-five".