79020437 has 16 divisors (see below), whose sum is σ = 85713264. Its totient is φ = 72576000.

The previous prime is 79020427. The next prime is 79020451. The reversal of 79020437 is 73402097.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 44809636 + 34210801 = 6694^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 79020437 - 2⁸ = 79020181 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79020427) 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 15 ways as a sum of consecutive naturals, for example, 187487 + ... + 187907.

It is an arithmetic number, because the mean of its divisors is an integer number (5357079).

Almost surely, 2^79020437 is an apocalyptic number.

It is an amenable number.

79020437 is a deficient number, since it is larger than the sum of its proper divisors (6692827).

79020437 is a wasteful number, since it uses less digits than its factorization.

79020437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 79020437 is about 8889.3440140429. The cubic root of 79020437 is about 429.1210403166.

The spelling of 79020437 in words is "seventy-nine million, twenty thousand, four hundred thirty-seven".