90768417 has 8 divisors (see below), whose sum is σ = 121080096. Its totient is φ = 60484512.

The previous prime is 90768409. The next prime is 90768449. The reversal of 90768417 is 71486709.

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

It is not a de Polignac number, because 90768417 - 2³ = 90768409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90768487) 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, 2533 + ... + 13709.

It is an arithmetic number, because the mean of its divisors is an integer number (15135012).

Almost surely, 2^90768417 is an apocalyptic number.

It is an amenable number.

90768417 is a deficient number, since it is larger than the sum of its proper divisors (30311679).

90768417 is a wasteful number, since it uses less digits than its factorization.

90768417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 90768417 is about 9527.2460344005. The cubic root of 90768417 is about 449.4122648048.

The spelling of 90768417 in words is "ninety million, seven hundred sixty-eight thousand, four hundred seventeen".