75725776 has 30 divisors (see below), whose sum is σ = 170674530. Its totient is φ = 32453568.

The previous prime is 75725761. The next prime is 75725779. The reversal of 75725776 is 67752757.

It can be written as a sum of positive squares in only one way, i.e., 45914176 + 29811600 = 6776^2 + 5460^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75725779) 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 5 ways as a sum of consecutive naturals, for example, 47511 + ... + 49078.

It is an arithmetic number, because the mean of its divisors is an integer number (5689151).

Almost surely, 2^75725776 is an apocalyptic number.

It is an amenable number.

75725776 is an abundant number, since it is smaller than the sum of its proper divisors (94948754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75725776 is a wasteful number, since it uses less digits than its factorization.

75725776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96611 (or 96598 counting only the distinct ones).

The product of its digits is 720300, while the sum is 46.

The square root of 75725776 is about 8702.0558490508. The cubic root of 75725776 is about 423.0722863421.

The spelling of 75725776 in words is "seventy-five million, seven hundred twenty-five thousand, seven hundred seventy-six".