79633240 has 16 divisors (see below), whose sum is σ = 179174880. Its totient is φ = 31853280.

The previous prime is 79633231. The next prime is 79633241. The reversal of 79633240 is 4233697.

It is a junction number, because it is equal to n+sod(n) for n = 79633196 and 79633205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79633241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995376 + ... + 995455.

It is an arithmetic number, because the mean of its divisors is an integer number (11198430).

Almost surely, 2^79633240 is an apocalyptic number.

It is an amenable number.

79633240 is an abundant number, since it is smaller than the sum of its proper divisors (99541640).

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

79633240 is a wasteful number, since it uses less digits than its factorization.

79633240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990842 (or 1990838 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 79633240 is about 8923.7458502582. The cubic root of 79633240 is about 430.2274621325.

The spelling of 79633240 in words is "seventy-nine million, six hundred thirty-three thousand, two hundred forty".