74442052 has 12 divisors (see below), whose sum is σ = 130645116. Its totient is φ = 37114880.

The previous prime is 74442037. The next prime is 74442077. The reversal of 74442052 is 25024447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16924996 + 57517056 = 4114^2 + 7584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74442052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24949 + ... + 27772.

It is an arithmetic number, because the mean of its divisors is an integer number (10887093).

Almost surely, 2^74442052 is an apocalyptic number.

It is an amenable number.

74442052 is a deficient number, since it is larger than the sum of its proper divisors (56203064).

74442052 is a wasteful number, since it uses less digits than its factorization.

74442052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53078 (or 53076 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 74442052 is about 8627.9807602938. The cubic root of 74442052 is about 420.6679695973.

Adding to 74442052 its reverse (25024447), we get a palindrome (99466499).

The spelling of 74442052 in words is "seventy-four million, four hundred forty-two thousand, fifty-two".