74321132 has 12 divisors (see below), whose sum is σ = 130232760. Its totient is φ = 37111776.

The previous prime is 74321129. The next prime is 74321183. The reversal of 74321132 is 23112347.

It is a super-2 number, since 2×74321132² = 11047261323522848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74321098 and 74321107.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8657 + ... + 14952.

It is an arithmetic number, because the mean of its divisors is an integer number (10852730).

Almost surely, 2^74321132 is an apocalyptic number.

It is an amenable number.

74321132 is a deficient number, since it is larger than the sum of its proper divisors (55911628).

74321132 is a wasteful number, since it uses less digits than its factorization.

74321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24400 (or 24398 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 74321132 is about 8620.9704790122. The cubic root of 74321132 is about 420.4400753877.

Adding to 74321132 its reverse (23112347), we get a palindrome (97433479).

The spelling of 74321132 in words is "seventy-four million, three hundred twenty-one thousand, one hundred thirty-two".