75724052 has 24 divisors (see below), whose sum is σ = 144109224. Its totient is φ = 34670592.

The previous prime is 75724049. The next prime is 75724057. The reversal of 75724052 is 25042757.

It can be written as a sum of positive squares in 4 ways, for example, as 13060996 + 62663056 = 3614^2 + 7916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75724057) 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 7 ways as a sum of consecutive naturals, for example, 12533 + ... + 17564.

It is an arithmetic number, because the mean of its divisors is an integer number (6004551).

Almost surely, 2^75724052 is an apocalyptic number.

It is an amenable number.

75724052 is a deficient number, since it is larger than the sum of its proper divisors (68385172).

75724052 is a wasteful number, since it uses less digits than its factorization.

75724052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30155 (or 30153 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 75724052 is about 8701.9567914349. The cubic root of 75724052 is about 423.0690757129.

The spelling of 75724052 in words is "seventy-five million, seven hundred twenty-four thousand, fifty-two".