724086431 has 2 divisors, whose sum is σ = 724086432. Its totient is φ = 724086430.

The previous prime is 724086421. The next prime is 724086479. The reversal of 724086431 is 134680427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724086431 - 2²² = 719892127 is a prime.

It is a super-2 number, since 2×724086431² = 1048602319116635522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 724086391 and 724086400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724086401) 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 as a sum of consecutive naturals, namely, 362043215 + 362043216.

It is an arithmetic number, because the mean of its divisors is an integer number (362043216).

Almost surely, 2^724086431 is an apocalyptic number.

724086431 is a deficient number, since it is larger than the sum of its proper divisors (1).

724086431 is an equidigital number, since it uses as much as digits as its factorization.

724086431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 724086431 is about 26908.8541376254. The cubic root of 724086431 is about 897.9733950944.

The spelling of 724086431 in words is "seven hundred twenty-four million, eighty-six thousand, four hundred thirty-one".