79587040 has 96 divisors (see below), whose sum is σ = 205371936. Its totient is φ = 28968960.

The previous prime is 79587031. The next prime is 79587043. The reversal of 79587040 is 4078597.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 79586984 and 79587002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79587043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172410 + ... + 172870.

It is an arithmetic number, because the mean of its divisors is an integer number (2139291).

Almost surely, 2^79587040 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 79587040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102685968).

79587040 is an abundant number, since it is smaller than the sum of its proper divisors (125784896).

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

79587040 is a wasteful number, since it uses less digits than its factorization.

79587040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 79587040 is about 8921.1568756524. The cubic root of 79587040 is about 430.1442458196.

The spelling of 79587040 in words is "seventy-nine million, five hundred eighty-seven thousand, forty".