90973067 has 2 divisors, whose sum is σ = 90973068. Its totient is φ = 90973066.

The previous prime is 90973039. The next prime is 90973093. The reversal of 90973067 is 76037909.

It is a strong prime.

It is an emirp because it is prime and its reverse (76037909) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90973067 is a prime.

It is not a weakly prime, because it can be changed into another prime (90973037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45486533 + 45486534.

It is an arithmetic number, because the mean of its divisors is an integer number (45486534).

Almost surely, 2^90973067 is an apocalyptic number.

90973067 is a deficient number, since it is larger than the sum of its proper divisors (1).

90973067 is an equidigital number, since it uses as much as digits as its factorization.

90973067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 90973067 is about 9537.9802369265. The cubic root of 90973067 is about 449.7497654029.

The spelling of 90973067 in words is "ninety million, nine hundred seventy-three thousand, sixty-seven".