74831132 has 24 divisors (see below), whose sum is σ = 133407792. Its totient is φ = 36720000.

The previous prime is 74831123. The next prime is 74831147. The reversal of 74831132 is 23113847.

It is a junction number, because it is equal to n+sod(n) for n = 74831095 and 74831104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72782 + ... + 73802.

It is an arithmetic number, because the mean of its divisors is an integer number (5558658).

Almost surely, 2^74831132 is an apocalyptic number.

It is an amenable number.

74831132 is a deficient number, since it is larger than the sum of its proper divisors (58576660).

74831132 is a wasteful number, since it uses less digits than its factorization.

74831132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1347 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 74831132 is about 8650.4989451476. The cubic root of 74831132 is about 421.3995863897.

Adding to 74831132 its reverse (23113847), we get a palindrome (97944979).

The spelling of 74831132 in words is "seventy-four million, eight hundred thirty-one thousand, one hundred thirty-two".