79296140 has 144 divisors (see below), whose sum is σ = 217362432. Its totient is φ = 23760000.

The previous prime is 79296103. The next prime is 79296181. The reversal of 79296140 is 4169297.

It is a junction number, because it is equal to n+sod(n) for n = 79296094 and 79296103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525065 + ... + 525215.

Almost surely, 2^79296140 is an apocalyptic number.

79296140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79296140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108681216).

79296140 is an abundant number, since it is smaller than the sum of its proper divisors (138066292).

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

79296140 is a wasteful number, since it uses less digits than its factorization.

79296140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 79296140 is about 8904.8380108793. The cubic root of 79296140 is about 429.6195300488.

The spelling of 79296140 in words is "seventy-nine million, two hundred ninety-six thousand, one hundred forty".