79345240 has 64 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 28733952.

The previous prime is 79345229. The next prime is 79345241. The reversal of 79345240 is 4254397.

It is a super-2 number, since 2×79345240² = 12591334221315200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79345196 and 79345205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79345241) 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, 26121 + ... + 28999.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^79345240 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 79345240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97977600).

79345240 is an abundant number, since it is smaller than the sum of its proper divisors (116609960).

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

79345240 is a wasteful number, since it uses less digits than its factorization.

79345240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 79345240 is about 8907.5945125494. The cubic root of 79345240 is about 429.7081849172.

The spelling of 79345240 in words is "seventy-nine million, three hundred forty-five thousand, two hundred forty".