74887132 has 24 divisors (see below), whose sum is σ = 138574800. Its totient is φ = 35312256.

The previous prime is 74887117. The next prime is 74887133. The reversal of 74887132 is 23178847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74887133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15594 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (5773950).

Almost surely, 2^74887132 is an apocalyptic number.

It is an amenable number.

74887132 is a deficient number, since it is larger than the sum of its proper divisors (63687668).

74887132 is a wasteful number, since it uses less digits than its factorization.

74887132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4483 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 74887132 is about 8653.7351473222. The cubic root of 74887132 is about 421.5046785353.

The spelling of 74887132 in words is "seventy-four million, eight hundred eighty-seven thousand, one hundred thirty-two".