73382431 has 2 divisors, whose sum is σ = 73382432. Its totient is φ = 73382430.

The previous prime is 73382429. The next prime is 73382461. The reversal of 73382431 is 13428337.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73382431 - 2¹ = 73382429 is a prime.

It is a super-2 number, since 2×73382431² = 10769962358939522, which contains 22 as substring.

Together with 73382429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 73382393 and 73382402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73382461) 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, 36691215 + 36691216.

It is an arithmetic number, because the mean of its divisors is an integer number (36691216).

Almost surely, 2^73382431 is an apocalyptic number.

73382431 is a deficient number, since it is larger than the sum of its proper divisors (1).

73382431 is an equidigital number, since it uses as much as digits as its factorization.

73382431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 73382431 is about 8566.3545922405. The cubic root of 73382431 is about 418.6624702773.

The spelling of 73382431 in words is "seventy-three million, three hundred eighty-two thousand, four hundred thirty-one".