79449312 has 48 divisors (see below), whose sum is σ = 209662992. Its totient is φ = 26342400.

The previous prime is 79449289. The next prime is 79449361. The reversal of 79449312 is 21394497.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16812 + ... + 21012.

It is an arithmetic number, because the mean of its divisors is an integer number (4367979).

Almost surely, 2^79449312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79449312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104831496).

79449312 is an abundant number, since it is smaller than the sum of its proper divisors (130213680).

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

79449312 is a wasteful number, since it uses less digits than its factorization.

79449312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411 (or 4403 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 79449312 is about 8913.4343549498. The cubic root of 79449312 is about 429.8959762793.

The spelling of 79449312 in words is "seventy-nine million, four hundred forty-nine thousand, three hundred twelve".