79494624 has 144 divisors (see below), whose sum is σ = 257572224. Its totient is φ = 23020800.

The previous prime is 79494617. The next prime is 79494631. The reversal of 79494624 is 42649497.

It is an interprime number because it is at equal distance from previous prime (79494617) and next prime (79494631).

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 79494624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72319 + ... + 73409.

It is an arithmetic number, because the mean of its divisors is an integer number (1788696).

Almost surely, 2^79494624 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 79494624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128786112).

79494624 is an abundant number, since it is smaller than the sum of its proper divisors (178077600).

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

79494624 is a wasteful number, since it uses less digits than its factorization.

79494624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1130 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 79494624 is about 8915.9757738567. The cubic root of 79494624 is about 429.9776876831.

The spelling of 79494624 in words is "seventy-nine million, four hundred ninety-four thousand, six hundred twenty-four".