74506488 has 64 divisors (see below), whose sum is σ = 215032320. Its totient is φ = 21072000.

The previous prime is 74506469. The next prime is 74506489. The reversal of 74506488 is 88460547.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74506489) 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, 14773 + ... + 19163.

It is an arithmetic number, because the mean of its divisors is an integer number (3359880).

Almost surely, 2^74506488 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 74506488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107516160).

74506488 is an abundant number, since it is smaller than the sum of its proper divisors (140525832).

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

74506488 is a wasteful number, since it uses less digits than its factorization.

74506488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 74506488 is about 8631.7140823825. The cubic root of 74506488 is about 420.7893093661.

The spelling of 74506488 in words is "seventy-four million, five hundred six thousand, four hundred eighty-eight".