74360840 has 64 divisors (see below), whose sum is σ = 176204160. Its totient is φ = 28188160.

The previous prime is 74360837. The next prime is 74360849. The reversal of 74360840 is 4806347.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74360797 and 74360806.

It is not an unprimeable number, because it can be changed into a prime (74360849) 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, 120212 + ... + 120828.

It is an arithmetic number, because the mean of its divisors is an integer number (2753190).

Almost surely, 2^74360840 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 74360840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88102080).

74360840 is an abundant number, since it is smaller than the sum of its proper divisors (101843320).

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

74360840 is a wasteful number, since it uses less digits than its factorization.

74360840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 74360840 is about 8623.2731604652. The cubic root of 74360840 is about 420.5149390760.

The spelling of 74360840 in words is "seventy-four million, three hundred sixty thousand, eight hundred forty".