724987145 has 16 divisors (see below), whose sum is σ = 876028608. Its totient is φ = 575976000.

The previous prime is 724987129. The next prime is 724987169. The reversal of 724987145 is 541789427.

724987145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 724987145 - 2⁴ = 724987129 is a prime.

It is a Duffinian number.

Its product of digits (564480) is a multiple of the sum of its prime divisors (1960).

It is a self number, because there is not a number n which added to its sum of digits gives 724987145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585467 + ... + 586703.

It is an arithmetic number, because the mean of its divisors is an integer number (54751788).

Almost surely, 2^724987145 is an apocalyptic number.

It is an amenable number.

724987145 is a deficient number, since it is larger than the sum of its proper divisors (151041463).

724987145 is a wasteful number, since it uses less digits than its factorization.

724987145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960.

The product of its digits is 564480, while the sum is 47.

The square root of 724987145 is about 26925.5853232571. The cubic root of 724987145 is about 898.3455799766.

The spelling of 724987145 in words is "seven hundred twenty-four million, nine hundred eighty-seven thousand, one hundred forty-five".