79490347 has 4 divisors (see below), whose sum is σ = 80062360. Its totient is φ = 78918336.

The previous prime is 79490303. The next prime is 79490371. The reversal of 79490347 is 74309497.

It is a happy number.

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 79490347 - 2⁷ = 79490219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79490447) 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, 285798 + ... + 286075.

It is an arithmetic number, because the mean of its divisors is an integer number (20015590).

Almost surely, 2^79490347 is an apocalyptic number.

79490347 is a deficient number, since it is larger than the sum of its proper divisors (572013).

79490347 is a wasteful number, since it uses less digits than its factorization.

79490347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572012.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 79490347 is about 8915.7359202704. The cubic root of 79490347 is about 429.9699762704.

The spelling of 79490347 in words is "seventy-nine million, four hundred ninety thousand, three hundred forty-seven".