74144132 has 12 divisors (see below), whose sum is σ = 130292316. Its totient is φ = 36917760.

The previous prime is 74144131. The next prime is 74144173. The reversal of 74144132 is 23144147.

It can be written as a sum of positive squares in 2 ways, for example, as 51638596 + 22505536 = 7186^2 + 4744^2 .

It is not an unprimeable number, because it can be changed into a prime (74144131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37493 + ... + 39420.

It is an arithmetic number, because the mean of its divisors is an integer number (10857693).

Almost surely, 2^74144132 is an apocalyptic number.

It is an amenable number.

74144132 is a deficient number, since it is larger than the sum of its proper divisors (56148184).

74144132 is a wasteful number, since it uses less digits than its factorization.

74144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77158 (or 77156 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 74144132 is about 8610.6986940666. The cubic root of 74144132 is about 420.1060427627.

Adding to 74144132 its reverse (23144147), we get a palindrome (97288279).

The spelling of 74144132 in words is "seventy-four million, one hundred forty-four thousand, one hundred thirty-two".