90718 has 8 divisors (see below), whose sum is σ = 138312. Its totient is φ = 44616.

The previous prime is 90709. The next prime is 90731. The reversal of 90718 is 81709.

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

It is a junction number, because it is equal to n+sod(n) for n = 90692 and 90701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205 + ... + 472.

It is an arithmetic number, because the mean of its divisors is an integer number (17289).

2⁹⁰⁷¹⁸ is an apocalyptic number.

90718 is a deficient number, since it is larger than the sum of its proper divisors (47594).

90718 is a wasteful number, since it uses less digits than its factorization.

90718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 90718 is about 301.1942894545. The cubic root of 90718 is about 44.9329041237.

Subtracting from 90718 its reverse (81709), we obtain a palindrome (9009).

It can be divided in two parts, 90 and 718, that multiplied together give a triangular number (64620 = T₃₅₉).

The spelling of 90718 in words is "ninety thousand, seven hundred eighteen".