79656742 has 16 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 36127240.

The previous prime is 79656739. The next prime is 79656749. The reversal of 79656742 is 24765697.

It is a junction number, because it is equal to n+sod(n) for n = 79656692 and 79656701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79656749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6759 + ... + 14317.

It is an arithmetic number, because the mean of its divisors is an integer number (8164800).

Almost surely, 2^79656742 is an apocalyptic number.

79656742 is a deficient number, since it is larger than the sum of its proper divisors (50980058).

79656742 is a wasteful number, since it uses less digits than its factorization.

79656742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051.

The product of its digits is 635040, while the sum is 46.

The square root of 79656742 is about 8925.0625768114. The cubic root of 79656742 is about 430.2697820284.

The spelling of 79656742 in words is "seventy-nine million, six hundred fifty-six thousand, seven hundred forty-two".