724241087 has 4 divisors (see below), whose sum is σ = 724295496. Its totient is φ = 724186680.

The previous prime is 724241057. The next prime is 724241093. The reversal of 724241087 is 780142427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 724241087 - 2¹⁰ = 724240063 is a prime.

It is a super-3 number, since 3×724241087³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724241057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7637 + ... + 38817.

It is an arithmetic number, because the mean of its divisors is an integer number (181073874).

Almost surely, 2^724241087 is an apocalyptic number.

724241087 is a deficient number, since it is larger than the sum of its proper divisors (54409).

724241087 is a wasteful number, since it uses less digits than its factorization.

724241087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54408.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 724241087 is about 26911.7276851562. The cubic root of 724241087 is about 898.0373225857.

The spelling of 724241087 in words is "seven hundred twenty-four million, two hundred forty-one thousand, eighty-seven".