73590431 has 2 divisors, whose sum is σ = 73590432. Its totient is φ = 73590430.

The previous prime is 73590397. The next prime is 73590457. The reversal of 73590431 is 13409537.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73590431 - 2¹⁰ = 73589407 is a prime.

It is a super-2 number, since 2×73590431² = 10831103069531522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73590481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36795215 + 36795216.

It is an arithmetic number, because the mean of its divisors is an integer number (36795216).

Almost surely, 2^73590431 is an apocalyptic number.

73590431 is a deficient number, since it is larger than the sum of its proper divisors (1).

73590431 is an equidigital number, since it uses as much as digits as its factorization.

73590431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 73590431 is about 8578.4865215258. The cubic root of 73590431 is about 419.0576586313.

Adding to 73590431 its reverse (13409537), we get a palindrome (86999968).

The spelling of 73590431 in words is "seventy-three million, five hundred ninety thousand, four hundred thirty-one".