90292769 has 16 divisors (see below), whose sum is σ = 108958080. Its totient is φ = 73094400.

The previous prime is 90292753. The next prime is 90292771. The reversal of 90292769 is 96729209.

It is a cyclic number.

It is not a de Polignac number, because 90292769 - 2⁴ = 90292753 is a prime.

It is a super-2 number, since 2×90292769² = 16305568267374722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90292789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52487 + ... + 54179.

It is an arithmetic number, because the mean of its divisors is an integer number (6809880).

Almost surely, 2^90292769 is an apocalyptic number.

It is an amenable number.

90292769 is a deficient number, since it is larger than the sum of its proper divisors (18665311).

90292769 is a wasteful number, since it uses less digits than its factorization.

90292769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 90292769 is about 9502.2507333789. The cubic root of 90292769 is about 448.6258806903.

It can be divided in two parts, 902 and 92769, that multiplied together give a palindrome (83677638).

The spelling of 90292769 in words is "ninety million, two hundred ninety-two thousand, seven hundred sixty-nine".