74366560 has 48 divisors (see below), whose sum is σ = 178125696. Its totient is φ = 29334528.

The previous prime is 74366557. The next prime is 74366561. The reversal of 74366560 is 6566347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74366561) 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, 8497 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (3710952).

Almost surely, 2^74366560 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 74366560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89062848).

74366560 is an abundant number, since it is smaller than the sum of its proper divisors (103759136).

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

74366560 is a wasteful number, since it uses less digits than its factorization.

74366560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 74366560 is about 8623.6048146932. The cubic root of 74366560 is about 420.5257211121.

The spelling of 74366560 in words is "seventy-four million, three hundred sixty-six thousand, five hundred sixty".