79045739 has 8 divisors (see below), whose sum is σ = 81007872. Its totient is φ = 77089320.

The previous prime is 79045723. The next prime is 79045751. The reversal of 79045739 is 93754097.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79045739 - 2⁴ = 79045723 is a prime.

It is a super-2 number, since 2×79045739² = 12496457708112242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79045739.

It is not an unprimeable number, because it can be changed into a prime (79045789) 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 7 ways as a sum of consecutive naturals, for example, 43442 + ... + 45224.

It is an arithmetic number, because the mean of its divisors is an integer number (10125984).

Almost surely, 2^79045739 is an apocalyptic number.

79045739 is a deficient number, since it is larger than the sum of its proper divisors (1962133).

79045739 is a wasteful number, since it uses less digits than its factorization.

79045739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 79045739 is about 8890.7670647701. The cubic root of 79045739 is about 429.1668363255.

The spelling of 79045739 in words is "seventy-nine million, forty-five thousand, seven hundred thirty-nine".