79451723 has 4 divisors (see below), whose sum is σ = 85563408. Its totient is φ = 73340040.

The previous prime is 79451719. The next prime is 79451741. The reversal of 79451723 is 32715497.

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

It is a cyclic number.

It is not a de Polignac number, because 79451723 - 2² = 79451719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79451773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055823 + ... + 3055848.

It is an arithmetic number, because the mean of its divisors is an integer number (21390852).

Almost surely, 2^79451723 is an apocalyptic number.

79451723 is a deficient number, since it is larger than the sum of its proper divisors (6111685).

79451723 is a wasteful number, since it uses less digits than its factorization.

79451723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111684.

The product of its digits is 52920, while the sum is 38.

The square root of 79451723 is about 8913.5695992122. The cubic root of 79451723 is about 429.9003248326.

The spelling of 79451723 in words is "seventy-nine million, four hundred fifty-one thousand, seven hundred twenty-three".