724974 has 8 divisors (see below), whose sum is σ = 1449960. Its totient is φ = 241656.

The previous prime is 724967. The next prime is 724991. The reversal of 724974 is 479427.

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

724974 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 60409 + ... + 60420.

It is an arithmetic number, because the mean of its divisors is an integer number (181245).

2⁷²⁴⁹⁷⁴ is an apocalyptic number.

724974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724974 is a wasteful number, since it uses less digits than its factorization.

724974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120834.

The product of its digits is 14112, while the sum is 33.

The square root of 724974 is about 851.4540504337. The cubic root of 724974 is about 89.8340150536.

The spelling of 724974 in words is "seven hundred twenty-four thousand, nine hundred seventy-four".