90576793 has 4 divisors (see below), whose sum is σ = 90596560. Its totient is φ = 90557028.

The previous prime is 90576769. The next prime is 90576797. The reversal of 90576793 is 39767509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90576793 - 2¹³ = 90568601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90576797) 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, 946 + ... + 13492.

It is an arithmetic number, because the mean of its divisors is an integer number (22649140).

Almost surely, 2^90576793 is an apocalyptic number.

It is an amenable number.

90576793 is a deficient number, since it is larger than the sum of its proper divisors (19767).

90576793 is a wasteful number, since it uses less digits than its factorization.

90576793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19766.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 90576793 is about 9517.1840898451. The cubic root of 90576793 is about 449.0957859674.

The spelling of 90576793 in words is "ninety million, five hundred seventy-six thousand, seven hundred ninety-three".