73667833 has 2 divisors, whose sum is σ = 73667834. Its totient is φ = 73667832.

The previous prime is 73667831. The next prime is 73667887. The reversal of 73667833 is 33876637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51652969 + 22014864 = 7187^2 + 4692^2 .

It is an emirp because it is prime and its reverse (33876637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73667833 - 2¹ = 73667831 is a prime.

Together with 73667831, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73667833.

It is not a weakly prime, because it can be changed into another prime (73667831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36833916 + 36833917.

It is an arithmetic number, because the mean of its divisors is an integer number (36833917).

Almost surely, 2^73667833 is an apocalyptic number.

It is an amenable number.

73667833 is a deficient number, since it is larger than the sum of its proper divisors (1).

73667833 is an equidigital number, since it uses as much as digits as its factorization.

73667833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The square root of 73667833 is about 8582.9967377368. The cubic root of 73667833 is about 419.2045279779.

The spelling of 73667833 in words is "seventy-three million, six hundred sixty-seven thousand, eight hundred thirty-three".