73982537 has 2 divisors, whose sum is σ = 73982538. Its totient is φ = 73982536.

The previous prime is 73982533. The next prime is 73982543. The reversal of 73982537 is 73528937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 23629321 = 7096^2 + 4861^2 .

It is an emirp because it is prime and its reverse (73528937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73982537 - 2² = 73982533 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73982533) 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, 36991268 + 36991269.

It is an arithmetic number, because the mean of its divisors is an integer number (36991269).

Almost surely, 2^73982537 is an apocalyptic number.

It is an amenable number.

73982537 is a deficient number, since it is larger than the sum of its proper divisors (1).

73982537 is an equidigital number, since it uses as much as digits as its factorization.

73982537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 73982537 is about 8601.3101908953. The cubic root of 73982537 is about 419.8006177604.

The spelling of 73982537 in words is "seventy-three million, nine hundred eighty-two thousand, five hundred thirty-seven".