74051560 has 128 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 25344000.

The previous prime is 74051557. The next prime is 74051561. The reversal of 74051560 is 6515047.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (74051561) 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, 831996 + ... + 832084.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 2^74051560 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 74051560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96422400).

74051560 is an abundant number, since it is smaller than the sum of its proper divisors (118793240).

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

74051560 is a wasteful number, since it uses less digits than its factorization.

74051560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 74051560 is about 8605.3216093299. The cubic root of 74051560 is about 419.9311300530.

The spelling of 74051560 in words is "seventy-four million, fifty-one thousand, five hundred sixty".