749955 has 24 divisors (see below), whose sum is σ = 1282032. Its totient is φ = 374272.

The previous prime is 749941. The next prime is 749971. The reversal of 749955 is 559947.

749955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 866²-1.

It is not a de Polignac number, because 749955 - 2⁴ = 749939 is a prime.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4249 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (53418).

2⁷⁴⁹⁹⁵⁵ is an apocalyptic number.

749955 is a deficient number, since it is larger than the sum of its proper divisors (532077).

749955 is a wasteful number, since it uses less digits than its factorization.

749955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 198 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 749955 is about 865.9994226326. Note that the first 3 decimals coincide. The cubic root of 749955 is about 90.8542124847.

The spelling of 749955 in words is "seven hundred forty-nine thousand, nine hundred fifty-five".