90240174 has 12 divisors (see below), whose sum is σ = 195520416. Its totient is φ = 30080052.

The previous prime is 90240169. The next prime is 90240179. The reversal of 90240174 is 47104209.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90240169) and next prime (90240179).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90240179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2506654 + ... + 2506689.

It is an arithmetic number, because the mean of its divisors is an integer number (16293368).

Almost surely, 2^90240174 is an apocalyptic number.

90240174 is an abundant number, since it is smaller than the sum of its proper divisors (105280242).

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

90240174 is a wasteful number, since it uses less digits than its factorization.

90240174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013351 (or 5013348 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 90240174 is about 9499.4828280281. The cubic root of 90240174 is about 448.5387564708.

The spelling of 90240174 in words is "ninety million, two hundred forty thousand, one hundred seventy-four".