74529042 has 32 divisors (see below), whose sum is σ = 170698752. Its totient is φ = 21250704.

The previous prime is 74529041. The next prime is 74529089. The reversal of 74529042 is 24092547.

It is a junction number, because it is equal to n+sod(n) for n = 74528994 and 74529012.

It is not an unprimeable number, because it can be changed into a prime (74529041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23143 + ... + 26165.

It is an arithmetic number, because the mean of its divisors is an integer number (5334336).

Almost surely, 2^74529042 is an apocalyptic number.

74529042 is an abundant number, since it is smaller than the sum of its proper divisors (96169710).

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

74529042 is a wasteful number, since it uses less digits than its factorization.

74529042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 74529042 is about 8633.0204447806. The cubic root of 74529042 is about 420.8317643920.

The spelling of 74529042 in words is "seventy-four million, five hundred twenty-nine thousand, forty-two".