74136052 has 12 divisors (see below), whose sum is σ = 129802176. Its totient is φ = 37049720.

The previous prime is 74136047. The next prime is 74136059. The reversal of 74136052 is 25063147.

It is a super-2 number, since 2×74136052² = 10992308412293408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74136052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74136059) 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, 9027 + ... + 15157.

It is an arithmetic number, because the mean of its divisors is an integer number (10816848).

Almost surely, 2^74136052 is an apocalyptic number.

It is an amenable number.

74136052 is a deficient number, since it is larger than the sum of its proper divisors (55666124).

74136052 is a wasteful number, since it uses less digits than its factorization.

74136052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158 (or 9156 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 74136052 is about 8610.2294975221. The cubic root of 74136052 is about 420.0907815858.

Adding to 74136052 its reverse (25063147), we get a palindrome (99199199).

The spelling of 74136052 in words is "seventy-four million, one hundred thirty-six thousand, fifty-two".