74386560 has 256 divisors, whose sum is σ = 261740160. Its totient is φ = 17891328.

The previous prime is 74386553. The next prime is 74386561. The reversal of 74386560 is 6568347.

It is not an unprimeable number, because it can be changed into a prime (74386561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403494 + ... + 1403546.

Almost surely, 2^74386560 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 74386560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130870080).

74386560 is an abundant number, since it is smaller than the sum of its proper divisors (187353600).

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

74386560 is a wasteful number, since it uses less digits than its factorization.

74386560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 74386560 is about 8624.7643446068. The cubic root of 74386560 is about 420.5634161933.

The spelling of 74386560 in words is "seventy-four million, three hundred eighty-six thousand, five hundred sixty".