90576743 has 4 divisors (see below), whose sum is σ = 95343960. Its totient is φ = 85809528.

The previous prime is 90576713. The next prime is 90576751. The reversal of 90576743 is 34767509.

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 90576743 - 2¹⁶ = 90511207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90576743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90576713) 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, 2383580 + ... + 2383617.

It is an arithmetic number, because the mean of its divisors is an integer number (23835990).

Almost surely, 2^90576743 is an apocalyptic number.

90576743 is a deficient number, since it is larger than the sum of its proper divisors (4767217).

90576743 is a wasteful number, since it uses less digits than its factorization.

90576743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767216.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 90576743 is about 9517.1814630173. The cubic root of 90576743 is about 449.0957033311.

It can be divided in two parts, 90576 and 743, that added together give a palindrome (91319).

The spelling of 90576743 in words is "ninety million, five hundred seventy-six thousand, seven hundred forty-three".