73766969 has 2 divisors, whose sum is σ = 73766970. Its totient is φ = 73766968.

The previous prime is 73766963. The next prime is 73766971. The reversal of 73766969 is 96966737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73753744 + 13225 = 8588^2 + 115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73766969 is a prime.

It is a super-2 number, since 2×73766969² = 10883131430893922, which contains 22 as substring.

Together with 73766971, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73766969.

It is not a weakly prime, because it can be changed into another prime (73766963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36883484 + 36883485.

It is an arithmetic number, because the mean of its divisors is an integer number (36883485).

Almost surely, 2^73766969 is an apocalyptic number.

It is an amenable number.

73766969 is a deficient number, since it is larger than the sum of its proper divisors (1).

73766969 is an equidigital number, since it uses as much as digits as its factorization.

73766969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 53.

The square root of 73766969 is about 8588.7699352119. The cubic root of 73766969 is about 419.3924871384.

The spelling of 73766969 in words is "seventy-three million, seven hundred sixty-six thousand, nine hundred sixty-nine".