74724152 has 16 divisors (see below), whose sum is σ = 140230440. Its totient is φ = 37329376.

The previous prime is 74724151. The next prime is 74724157. The reversal of 74724152 is 25142747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74724151) 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, 7583 + ... + 14385.

Almost surely, 2^74724152 is an apocalyptic number.

It is an amenable number.

74724152 is a deficient number, since it is larger than the sum of its proper divisors (65506288).

74724152 is a wasteful number, since it uses less digits than its factorization.

74724152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182 (or 8178 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 74724152 is about 8644.3132752116. The cubic root of 74724152 is about 421.1986770148.

Adding to 74724152 its reverse (25142747), we get a palindrome (99866899).

The spelling of 74724152 in words is "seventy-four million, seven hundred twenty-four thousand, one hundred fifty-two".