724887 has 12 divisors (see below), whose sum is σ = 1054560. Its totient is φ = 479808.

The previous prime is 724879. The next prime is 724901. The reversal of 724887 is 788427.

It is not a de Polignac number, because 724887 - 2³ = 724879 is a prime.

It is a super-2 number, since 2×724887² = 1050922325538, which contains 22 as substring.

724887 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (87880).

2⁷²⁴⁸⁸⁷ is an apocalyptic number.

724887 is a deficient number, since it is larger than the sum of its proper divisors (329673).

724887 is a wasteful number, since it uses less digits than its factorization.

724887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 579 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 724887 is about 851.4029598257. The cubic root of 724887 is about 89.8304214204.

The spelling of 724887 in words is "seven hundred twenty-four thousand, eight hundred eighty-seven".