90733679 has 2 divisors, whose sum is σ = 90733680. Its totient is φ = 90733678.

The previous prime is 90733673. The next prime is 90733711. The reversal of 90733679 is 97633709.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90733679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90733673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45366839 + 45366840.

It is an arithmetic number, because the mean of its divisors is an integer number (45366840).

Almost surely, 2^90733679 is an apocalyptic number.

90733679 is a deficient number, since it is larger than the sum of its proper divisors (1).

90733679 is an equidigital number, since it uses as much as digits as its factorization.

90733679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 90733679 is about 9525.4227727697. The cubic root of 90733679 is about 449.3549259353.

The spelling of 90733679 in words is "ninety million, seven hundred thirty-three thousand, six hundred seventy-nine".