724955 has 24 divisors (see below), whose sum is σ = 1108080. Its totient is φ = 450240.

The previous prime is 724949. The next prime is 724961. The reversal of 724955 is 559427.

It is an interprime number because it is at equal distance from previous prime (724949) and next prime (724961).

It is not a de Polignac number, because 724955 - 2⁴ = 724939 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2561 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (46170).

2⁷²⁴⁹⁵⁵ is an apocalyptic number.

724955 is a deficient number, since it is larger than the sum of its proper divisors (383125).

724955 is a wasteful number, since it uses less digits than its factorization.

724955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 292 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 724955 is about 851.4428929764. The cubic root of 724955 is about 89.8332302617.

The spelling of 724955 in words is "seven hundred twenty-four thousand, nine hundred fifty-five".