79733961 has 12 divisors (see below), whose sum is σ = 121946292. Its totient is φ = 50029056.

The previous prime is 79733921. The next prime is 79733999. The reversal of 79733961 is 16933797.

It can be written as a sum of positive squares in 2 ways, for example, as 72999936 + 6734025 = 8544^2 + 2595^2 .

It is not a de Polignac number, because 79733961 - 2¹⁰ = 79732937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79733921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260416 + ... + 260721.

It is an arithmetic number, because the mean of its divisors is an integer number (10162191).

Almost surely, 2^79733961 is an apocalyptic number.

It is an amenable number.

79733961 is a deficient number, since it is larger than the sum of its proper divisors (42212331).

79733961 is a wasteful number, since it uses less digits than its factorization.

79733961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521160 (or 521157 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 79733961 is about 8929.3874929919. The cubic root of 79733961 is about 430.4087711927.

The spelling of 79733961 in words is "seventy-nine million, seven hundred thirty-three thousand, nine hundred sixty-one".