73534631 has 2 divisors, whose sum is σ = 73534632. Its totient is φ = 73534630.

The previous prime is 73534621. The next prime is 73534661. The reversal of 73534631 is 13643537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73534631 - 2¹⁸ = 73272487 is a prime.

It is a super-2 number, since 2×73534631² = 10814683912612322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73534621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36767315 + 36767316.

It is an arithmetic number, because the mean of its divisors is an integer number (36767316).

Almost surely, 2^73534631 is an apocalyptic number.

73534631 is a deficient number, since it is larger than the sum of its proper divisors (1).

73534631 is an equidigital number, since it uses as much as digits as its factorization.

73534631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 32.

The square root of 73534631 is about 8575.2335828244. The cubic root of 73534631 is about 418.9517149205.

The spelling of 73534631 in words is "seventy-three million, five hundred thirty-four thousand, six hundred thirty-one".