79266240 has 168 divisors, whose sum is σ = 288858960. Its totient is φ = 19881984.

The previous prime is 79266221. The next prime is 79266241. The reversal of 79266240 is 4266297.

It is a happy number.

79266240 is a `hidden beast` number, since 7 + 9 + 26 + 624 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 79266195 and 79266204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79266241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48151 + ... + 49769.

Almost surely, 2^79266240 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 79266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144429480).

79266240 is an abundant number, since it is smaller than the sum of its proper divisors (209592720).

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

79266240 is a wasteful number, since it uses less digits than its factorization.

79266240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 79266240 is about 8903.1589899316. The cubic root of 79266240 is about 429.5655247347.

The spelling of 79266240 in words is "seventy-nine million, two hundred sixty-six thousand, two hundred forty".