73665937 has 2 divisors, whose sum is σ = 73665938. Its totient is φ = 73665936.

The previous prime is 73665931. The next prime is 73665959. The reversal of 73665937 is 73956637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72318016 + 1347921 = 8504^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 73665937 - 2¹⁵ = 73633169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73665931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36832968 + 36832969.

It is an arithmetic number, because the mean of its divisors is an integer number (36832969).

Almost surely, 2^73665937 is an apocalyptic number.

It is an amenable number.

73665937 is a deficient number, since it is larger than the sum of its proper divisors (1).

73665937 is an equidigital number, since it uses as much as digits as its factorization.

73665937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 46.

The square root of 73665937 is about 8582.8862860928. The cubic root of 73665937 is about 419.2009315706.

The spelling of 73665937 in words is "seventy-three million, six hundred sixty-five thousand, nine hundred thirty-seven".