79133040 has 180 divisors, whose sum is σ = 309281544. Its totient is φ = 18079488.

The previous prime is 79133023. The next prime is 79133051. The reversal of 79133040 is 4033197.

It is a tau number, because it is divible by the number of its divisors (180).

It is a junction number, because it is equal to n+sod(n) for n = 79132995 and 79133013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34159 + ... + 36401.

Almost surely, 2^79133040 is an apocalyptic number.

79133040 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 79133040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154640772).

79133040 is an abundant number, since it is smaller than the sum of its proper divisors (230148504).

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

79133040 is a wasteful number, since it uses less digits than its factorization.

79133040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 79133040 is about 8895.6753537885. The cubic root of 79133040 is about 429.3247740365.

The spelling of 79133040 in words is "seventy-nine million, one hundred thirty-three thousand, forty".