90602274 has 48 divisors (see below), whose sum is σ = 217610496. Its totient is φ = 25048800.

The previous prime is 90602269. The next prime is 90602287. The reversal of 90602274 is 47220609.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4144 + ... + 14084.

It is an arithmetic number, because the mean of its divisors is an integer number (4533552).

Almost surely, 2^90602274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90602274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108805248).

90602274 is an abundant number, since it is smaller than the sum of its proper divisors (127008222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90602274 is a wasteful number, since it uses less digits than its factorization.

90602274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991 (or 9984 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 90602274 is about 9518.5226794918. The cubic root of 90602274 is about 449.1378951230.

The spelling of 90602274 in words is "ninety million, six hundred two thousand, two hundred seventy-four".