79434747 has 48 divisors (see below), whose sum is σ = 135582720. Its totient is φ = 43877376.

The previous prime is 79434743. The next prime is 79434787. The reversal of 79434747 is 74743497.

It is not a de Polignac number, because 79434747 - 2² = 79434743 is a prime.

Its product of digits (592704) is a multiple of the sum of its prime factors (392).

It is not an unprimeable number, because it can be changed into a prime (79434743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 411483 + ... + 411675.

It is an arithmetic number, because the mean of its divisors is an integer number (2824640).

Almost surely, 2^79434747 is an apocalyptic number.

79434747 is a deficient number, since it is larger than the sum of its proper divisors (56147973).

79434747 is a wasteful number, since it uses less digits than its factorization.

79434747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 389 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 79434747 is about 8912.6172923558. The cubic root of 79434747 is about 429.8697045286.

The spelling of 79434747 in words is "seventy-nine million, four hundred thirty-four thousand, seven hundred forty-seven".