79407648 has 96 divisors (see below), whose sum is σ = 234964800. Its totient is φ = 26085888.

The previous prime is 79407641. The next prime is 79407649. The reversal of 79407648 is 84670497.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79407641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62443 + ... + 63701.

It is an arithmetic number, because the mean of its divisors is an integer number (2447550).

Almost surely, 2^79407648 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 79407648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117482400).

79407648 is an abundant number, since it is smaller than the sum of its proper divisors (155557152).

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

79407648 is a wasteful number, since it uses less digits than its factorization.

79407648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 79407648 is about 8911.0969021776. The cubic root of 79407648 is about 429.8208159146.

The spelling of 79407648 in words is "seventy-nine million, four hundred seven thousand, six hundred forty-eight".