75725764 has 12 divisors (see below), whose sum is σ = 135020844. Its totient is φ = 37148384.

The previous prime is 75725761. The next prime is 75725779. The reversal of 75725764 is 46752757.

It can be written as a sum of positive squares in 2 ways, for example, as 43007364 + 32718400 = 6558^2 + 5720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75725764.

It is not an unprimeable number, because it can be changed into a prime (75725761) 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, 178387 + ... + 178810.

It is an arithmetic number, because the mean of its divisors is an integer number (11251737).

Almost surely, 2^75725764 is an apocalyptic number.

It is an amenable number.

75725764 is a deficient number, since it is larger than the sum of its proper divisors (59295080).

75725764 is a wasteful number, since it uses less digits than its factorization.

75725764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357254 (or 357252 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 75725764 is about 8702.0551595586. The cubic root of 75725764 is about 423.0722639945.

The spelling of 75725764 in words is "seventy-five million, seven hundred twenty-five thousand, seven hundred sixty-four".