79450313 has 4 divisors (see below), whose sum is σ = 79480980. Its totient is φ = 79419648.

The previous prime is 79450309. The next prime is 79450363. The reversal of 79450313 is 31305497.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54878464 + 24571849 = 7408^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 79450313 - 2² = 79450309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79450313.

It is not an unprimeable number, because it can be changed into a prime (79450363) 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, 11048 + ... + 16761.

It is an arithmetic number, because the mean of its divisors is an integer number (19870245).

Almost surely, 2^79450313 is an apocalyptic number.

It is an amenable number.

79450313 is a deficient number, since it is larger than the sum of its proper divisors (30667).

79450313 is a wasteful number, since it uses less digits than its factorization.

79450313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30666.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 79450313 is about 8913.4905059690. The cubic root of 79450313 is about 429.8977817242.

The spelling of 79450313 in words is "seventy-nine million, four hundred fifty thousand, three hundred thirteen".