755724873 has 4 divisors (see below), whose sum is σ = 1007633168. Its totient is φ = 503816580.

The previous prime is 755724857. The next prime is 755724881. The reversal of 755724873 is 378427557.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 755724873 - 2⁴ = 755724857 is a prime.

It is a super-2 number, since 2×755724873² = 1142240167341732258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755724883) 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, 125954143 + ... + 125954148.

It is an arithmetic number, because the mean of its divisors is an integer number (251908292).

Almost surely, 2^755724873 is an apocalyptic number.

It is an amenable number.

755724873 is a deficient number, since it is larger than the sum of its proper divisors (251908295).

755724873 is a wasteful number, since it uses less digits than its factorization.

755724873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251908294.

The product of its digits is 1646400, while the sum is 48.

The square root of 755724873 is about 27490.4505783372. The cubic root of 755724873 is about 910.8661692107.

The spelling of 755724873 in words is "seven hundred fifty-five million, seven hundred twenty-four thousand, eight hundred seventy-three".