79734761 has 4 divisors (see below), whose sum is σ = 80827092. Its totient is φ = 78642432.

The previous prime is 79734751. The next prime is 79734769. The reversal of 79734761 is 16743797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57229225 + 22505536 = 7565^2 + 4744^2 .

It is a cyclic number.

It is not a de Polignac number, because 79734761 - 2¹⁰ = 79733737 is a prime.

It is a super-2 number, since 2×79734761² = 12715264223454242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79734769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546056 + ... + 546201.

It is an arithmetic number, because the mean of its divisors is an integer number (20206773).

Almost surely, 2^79734761 is an apocalyptic number.

It is an amenable number.

79734761 is a deficient number, since it is larger than the sum of its proper divisors (1092331).

79734761 is a wasteful number, since it uses less digits than its factorization.

79734761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092330.

The product of its digits is 222264, while the sum is 44.

The square root of 79734761 is about 8929.4322887852. The cubic root of 79734761 is about 430.4102106708.

The spelling of 79734761 in words is "seventy-nine million, seven hundred thirty-four thousand, seven hundred sixty-one".