74503252 has 12 divisors (see below), whose sum is σ = 130507636. Its totient is φ = 37215360.

The previous prime is 74503243. The next prime is 74503259. The reversal of 74503252 is 25230547.

It can be written as a sum of positive squares in 2 ways, for example, as 71132356 + 3370896 = 8434^2 + 1836^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 74503252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74503259) 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 3 ways as a sum of consecutive naturals, for example, 4149 + ... + 12892.

Almost surely, 2^74503252 is an apocalyptic number.

It is an amenable number.

74503252 is a deficient number, since it is larger than the sum of its proper divisors (56004384).

74503252 is a wasteful number, since it uses less digits than its factorization.

74503252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18138 (or 18136 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 74503252 is about 8631.5266320623. The cubic root of 74503252 is about 420.7832173064.

Adding to 74503252 its reverse (25230547), we get a palindrome (99733799).

The spelling of 74503252 in words is "seventy-four million, five hundred three thousand, two hundred fifty-two".