74648532 has 48 divisors (see below), whose sum is σ = 199485440. Its totient is φ = 21282912.

The previous prime is 74648531. The next prime is 74648551. The reversal of 74648532 is 23584647.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74648531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76713 + ... + 77679.

Almost surely, 2^74648532 is an apocalyptic number.

It is an amenable number.

74648532 is an abundant number, since it is smaller than the sum of its proper divisors (124836908).

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

74648532 is a wasteful number, since it uses less digits than its factorization.

74648532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1898 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 74648532 is about 8639.9381942234. The cubic root of 74648532 is about 421.0565462871.

The spelling of 74648532 in words is "seventy-four million, six hundred forty-eight thousand, five hundred thirty-two".