75725755 has 8 divisors (see below), whose sum is σ = 103852512. Its totient is φ = 51926208.

The previous prime is 75725743. The next prime is 75725759. The reversal of 75725755 is 55752757.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75725755 - 2⁵ = 75725723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75725759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081762 + ... + 1081831.

It is an arithmetic number, because the mean of its divisors is an integer number (12981564).

Almost surely, 2^75725755 is an apocalyptic number.

75725755 is a deficient number, since it is larger than the sum of its proper divisors (28126757).

75725755 is a wasteful number, since it uses less digits than its factorization.

75725755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163605.

The product of its digits is 428750, while the sum is 43.

The square root of 75725755 is about 8702.0546424393. The cubic root of 75725755 is about 423.0722472338.

The spelling of 75725755 in words is "seventy-five million, seven hundred twenty-five thousand, seven hundred fifty-five".