76725793 has 4 divisors (see below), whose sum is σ = 79371540. Its totient is φ = 74080048.

The previous prime is 76725731. The next prime is 76725797. The reversal of 76725793 is 39752767.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51955264 + 24770529 = 7208^2 + 4977^2 .

It is a cyclic number.

It is not a de Polignac number, because 76725793 - 2⁹ = 76725281 is a prime.

It is a super-2 number, since 2×76725793² = 11773694622957698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76725797) 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, 1322830 + ... + 1322887.

It is an arithmetic number, because the mean of its divisors is an integer number (19842885).

Almost surely, 2^76725793 is an apocalyptic number.

It is an amenable number.

76725793 is a deficient number, since it is larger than the sum of its proper divisors (2645747).

76725793 is a wasteful number, since it uses less digits than its factorization.

76725793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645746.

The product of its digits is 555660, while the sum is 46.

The square root of 76725793 is about 8759.3260585504. The cubic root of 76725793 is about 424.9264795547.

The spelling of 76725793 in words is "seventy-six million, seven hundred twenty-five thousand, seven hundred ninety-three".