79374553 has 4 divisors (see below), whose sum is σ = 79437328. Its totient is φ = 79311780.

The previous prime is 79374527. The next prime is 79374557. The reversal of 79374553 is 35547397.

It is a happy number.

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: 35547397 = 23 ⋅1545539.

It is a cyclic number.

It is not a de Polignac number, because 79374553 - 2⁹ = 79374041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79374557) 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, 29451 + ... + 32032.

It is an arithmetic number, because the mean of its divisors is an integer number (19859332).

Almost surely, 2^79374553 is an apocalyptic number.

It is an amenable number.

79374553 is a deficient number, since it is larger than the sum of its proper divisors (62775).

79374553 is a wasteful number, since it uses less digits than its factorization.

79374553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62774.

The product of its digits is 396900, while the sum is 43.

The square root of 79374553 is about 8909.2397543225. The cubic root of 79374553 is about 429.7610949813.

The spelling of 79374553 in words is "seventy-nine million, three hundred seventy-four thousand, five hundred fifty-three".