79413438 has 24 divisors (see below), whose sum is σ = 171986328. Its totient is φ = 24434592.

The previous prime is 79413419. The next prime is 79413449. The reversal of 79413438 is 83431497.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 79413396 and 79413405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38145 + ... + 40172.

It is an arithmetic number, because the mean of its divisors is an integer number (7166097).

Almost surely, 2^79413438 is an apocalyptic number.

79413438 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

79413438 is an abundant number, since it is smaller than the sum of its proper divisors (92572890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79413438 is a wasteful number, since it uses less digits than its factorization.

79413438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78348 (or 78335 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 79413438 is about 8911.4217720855. The cubic root of 79413438 is about 429.8312624400.

The spelling of 79413438 in words is "seventy-nine million, four hundred thirteen thousand, four hundred thirty-eight".