74042732 has 24 divisors (see below), whose sum is σ = 134427216. Its totient is φ = 35659008.

The previous prime is 74042711. The next prime is 74042737. The reversal of 74042732 is 23724047.

It is a junction number, because it is equal to n+sod(n) for n = 74042695 and 74042704.

It is not an unprimeable number, because it can be changed into a prime (74042737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9608 + ... + 15504.

It is an arithmetic number, because the mean of its divisors is an integer number (5601134).

Almost surely, 2^74042732 is an apocalyptic number.

It is an amenable number.

74042732 is a deficient number, since it is larger than the sum of its proper divisors (60384484).

74042732 is a wasteful number, since it uses less digits than its factorization.

74042732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 74042732 is about 8604.8086556297. The cubic root of 74042732 is about 419.9144421339.

Adding to 74042732 its reverse (23724047), we get a palindrome (97766779).

The spelling of 74042732 in words is "seventy-four million, forty-two thousand, seven hundred thirty-two".