79403459 has 4 divisors (see below), whose sum is σ = 79432920. Its totient is φ = 79374000.

The previous prime is 79403449. The next prime is 79403461. The reversal of 79403459 is 95430497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95430497 = 3739 ⋅25523.

It is a cyclic number.

It is not a de Polignac number, because 79403459 - 2²⁴ = 62626243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79403449) 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, 10229 + ... + 16230.

It is an arithmetic number, because the mean of its divisors is an integer number (19858230).

Almost surely, 2^79403459 is an apocalyptic number.

79403459 is a deficient number, since it is larger than the sum of its proper divisors (29461).

79403459 is a wasteful number, since it uses less digits than its factorization.

79403459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29460.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 79403459 is about 8910.8618550621. The cubic root of 79403459 is about 429.8132576541.

The spelling of 79403459 in words is "seventy-nine million, four hundred three thousand, four hundred fifty-nine".