74515488 has 48 divisors (see below), whose sum is σ = 207113760. Its totient is φ = 23376896.

The previous prime is 74515481. The next prime is 74515489. The reversal of 74515488 is 88451547.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74515481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21198 + ... + 24461.

It is an arithmetic number, because the mean of its divisors is an integer number (4314870).

Almost surely, 2^74515488 is an apocalyptic number.

It is an amenable number.

74515488 is an abundant number, since it is smaller than the sum of its proper divisors (132598272).

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

74515488 is a wasteful number, since it uses less digits than its factorization.

74515488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45689 (or 45681 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 74515488 is about 8632.2353999413. The cubic root of 74515488 is about 420.8062517444.

The spelling of 74515488 in words is "seventy-four million, five hundred fifteen thousand, four hundred eighty-eight".