79237261 has 4 divisors (see below), whose sum is σ = 81080032. Its totient is φ = 77394492.

The previous prime is 79237247. The next prime is 79237273. The reversal of 79237261 is 16273297.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16273297 = 3701 ⋅4397.

It is a cyclic number.

It is not a de Polignac number, because 79237261 - 2⁵ = 79237229 is a prime.

It is a super-3 number, since 3×79237261³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79237261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79237211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921321 + ... + 921406.

It is an arithmetic number, because the mean of its divisors is an integer number (20270008).

Almost surely, 2^79237261 is an apocalyptic number.

It is an amenable number.

79237261 is a deficient number, since it is larger than the sum of its proper divisors (1842771).

79237261 is a wasteful number, since it uses less digits than its factorization.

79237261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842770.

The product of its digits is 31752, while the sum is 37.

The square root of 79237261 is about 8901.5313851045. The cubic root of 79237261 is about 429.5131699674.

The spelling of 79237261 in words is "seventy-nine million, two hundred thirty-seven thousand, two hundred sixty-one".