90274691 has 8 divisors (see below), whose sum is σ = 97389600. Its totient is φ = 83184192.

The previous prime is 90274663. The next prime is 90274727. The reversal of 90274691 is 19647209.

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

It is not a de Polignac number, because 90274691 - 2⁶ = 90274627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90274621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (12173700).

Almost surely, 2^90274691 is an apocalyptic number.

90274691 is a deficient number, since it is larger than the sum of its proper divisors (7114909).

90274691 is a wasteful number, since it uses less digits than its factorization.

90274691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 90274691 is about 9501.2994374454. The cubic root of 90274691 is about 448.5959380933.

The spelling of 90274691 in words is "ninety million, two hundred seventy-four thousand, six hundred ninety-one".