79233240 has 32 divisors (see below), whose sum is σ = 237700080. Its totient is φ = 21128832.

The previous prime is 79233239. The next prime is 79233247. The reversal of 79233240 is 4233297.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 79233198 and 79233207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79233247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330019 + ... + 330258.

Almost surely, 2^79233240 is an apocalyptic number.

It is an amenable number.

79233240 is an abundant number, since it is smaller than the sum of its proper divisors (158466840).

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

79233240 is a wasteful number, since it uses less digits than its factorization.

79233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660291 (or 660287 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 79233240 is about 8901.3055222254. The cubic root of 79233240 is about 429.5059044391.

The spelling of 79233240 in words is "seventy-nine million, two hundred thirty-three thousand, two hundred forty".