79361740 has 24 divisors (see below), whose sum is σ = 167664672. Its totient is φ = 31553280.

The previous prime is 79361713. The next prime is 79361747. The reversal of 79361740 is 4716397.

It is a self number, because there is not a number n which added to its sum of digits gives 79361740.

It is not an unprimeable number, because it can be changed into a prime (79361747) 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, 8541 + ... + 15220.

It is an arithmetic number, because the mean of its divisors is an integer number (6986028).

Almost surely, 2^79361740 is an apocalyptic number.

It is an amenable number.

79361740 is an abundant number, since it is smaller than the sum of its proper divisors (88302932).

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

79361740 is a wasteful number, since it uses less digits than its factorization.

79361740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23937 (or 23935 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 79361740 is about 8908.5206403757. The cubic root of 79361740 is about 429.7379690758.

The spelling of 79361740 in words is "seventy-nine million, three hundred sixty-one thousand, seven hundred forty".