73724152 has 16 divisors (see below), whose sum is σ = 138845160. Its totient is φ = 36698784.

The previous prime is 73724137. The next prime is 73724159. The reversal of 73724152 is 25142737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73724159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18483 + ... + 22114.

Almost surely, 2^73724152 is an apocalyptic number.

It is an amenable number.

73724152 is a deficient number, since it is larger than the sum of its proper divisors (65121008).

73724152 is a wasteful number, since it uses less digits than its factorization.

73724152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40830 (or 40826 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 73724152 is about 8586.2769580302. The cubic root of 73724152 is about 419.3113279430.

Adding to 73724152 its reverse (25142737), we get a palindrome (98866889).

The spelling of 73724152 in words is "seventy-three million, seven hundred twenty-four thousand, one hundred fifty-two".