90703665 has 32 divisors (see below), whose sum is σ = 173658240. Its totient is φ = 44653248.

The previous prime is 90703649. The next prime is 90703667. The reversal of 90703665 is 56630709.

It is a happy number.

It is not a de Polignac number, because 90703665 - 2⁴ = 90703649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90703667) 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 in 31 ways as a sum of consecutive naturals, for example, 24087 + ... + 27596.

It is an arithmetic number, because the mean of its divisors is an integer number (5426820).

Almost surely, 2^90703665 is an apocalyptic number.

It is an amenable number.

90703665 is a deficient number, since it is larger than the sum of its proper divisors (82954575).

90703665 is a wasteful number, since it uses less digits than its factorization.

90703665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51710 (or 51704 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 90703665 is about 9523.8471743303. The cubic root of 90703665 is about 449.3053727584.

The spelling of 90703665 in words is "ninety million, seven hundred three thousand, six hundred sixty-five".