90707 has 4 divisors (see below), whose sum is σ = 92256. Its totient is φ = 89160.

The previous prime is 90703. The next prime is 90709. The reversal of 90707 is 70709.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90707 - 2² = 90703 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90707.

It is not an unprimeable number, because it can be changed into a prime (90703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 804.

It is an arithmetic number, because the mean of its divisors is an integer number (23064).

2⁹⁰⁷⁰⁷ is an apocalyptic number.

90707 is a deficient number, since it is larger than the sum of its proper divisors (1549).

90707 is a wasteful number, since it uses less digits than its factorization.

90707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 90707 is about 301.1760282625. The cubic root of 90707 is about 44.9310879390.

It can be divided in two parts, 90 and 707, that added together give a palindrome (797).

The spelling of 90707 in words is "ninety thousand, seven hundred seven".