724887041 has 4 divisors (see below), whose sum is σ = 726189012. Its totient is φ = 723585072.

The previous prime is 724887019. The next prime is 724887073. The reversal of 724887041 is 140788427.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79727041 + 645160000 = 8929^2 + 25400^2 .

It is a cyclic number.

It is not a de Polignac number, because 724887041 - 2¹⁰ = 724886017 is a prime.

It is a super-2 number, since 2×724887041² = 1050922444419471362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 724887041.

It is not an unprimeable number, because it can be changed into a prime (724887001) by changing a digit.

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, 650150 + ... + 651263.

It is an arithmetic number, because the mean of its divisors is an integer number (181547253).

Almost surely, 2^724887041 is an apocalyptic number.

It is an amenable number.

724887041 is a deficient number, since it is larger than the sum of its proper divisors (1301971).

724887041 is a wasteful number, since it uses less digits than its factorization.

724887041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301970.

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 724887041 is about 26923.7263579914. The cubic root of 724887041 is about 898.3042311399.

The spelling of 724887041 in words is "seven hundred twenty-four million, eight hundred eighty-seven thousand, forty-one".