79401329 has 4 divisors (see below), whose sum is σ = 90744384. Its totient is φ = 68058276.

The previous prime is 79401317. The next prime is 79401341. The reversal of 79401329 is 92310497.

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.

It is an interprime number because it is at equal distance from previous prime (79401317) and next prime (79401341).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79401329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79401029) 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, 5671517 + ... + 5671530.

It is an arithmetic number, because the mean of its divisors is an integer number (22686096).

Almost surely, 2^79401329 is an apocalyptic number.

It is an amenable number.

79401329 is a deficient number, since it is larger than the sum of its proper divisors (11343055).

79401329 is a wasteful number, since it uses less digits than its factorization.

79401329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343054.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 79401329 is about 8910.7423372018. The cubic root of 79401329 is about 429.8094143689.

The spelling of 79401329 in words is "seventy-nine million, four hundred one thousand, three hundred twenty-nine".