90730165 has 8 divisors (see below), whose sum is σ = 109660320. Its totient is φ = 72061392.

The previous prime is 90730151. The next prime is 90730169. The reversal of 90730165 is 56103709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90730165 - 2¹³ = 90721973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90730169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64579 + ... + 65968.

It is an arithmetic number, because the mean of its divisors is an integer number (13707540).

Almost surely, 2^90730165 is an apocalyptic number.

It is an amenable number.

90730165 is a deficient number, since it is larger than the sum of its proper divisors (18930155).

90730165 is a wasteful number, since it uses less digits than its factorization.

90730165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130691.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 90730165 is about 9525.2383172286. The cubic root of 90730165 is about 449.3491248788.

The spelling of 90730165 in words is "ninety million, seven hundred thirty thousand, one hundred sixty-five".