724291 has 2 divisors, whose sum is σ = 724292. Its totient is φ = 724290.

The previous prime is 724277. The next prime is 724303. The reversal of 724291 is 192427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724291 - 2⁵ = 724259 is a prime.

724291 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (724211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362145 + 362146.

It is an arithmetic number, because the mean of its divisors is an integer number (362146).

2⁷²⁴²⁹¹ is an apocalyptic number.

724291 is a deficient number, since it is larger than the sum of its proper divisors (1).

724291 is an equidigital number, since it uses as much as digits as its factorization.

724291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 724291 is about 851.0528773231. The cubic root of 724291 is about 89.8057952322.

The spelling of 724291 in words is "seven hundred twenty-four thousand, two hundred ninety-one".