27422490 has 32 divisors (see below), whose sum is σ = 66076416. Its totient is φ = 7283520.

The previous prime is 27422477. The next prime is 27422531. The reversal of 27422490 is 9422472.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6444 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (2064888).

Almost surely, 2^27422490 is an apocalyptic number.

27422490 is an abundant number, since it is smaller than the sum of its proper divisors (38653926).

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

27422490 is a wasteful number, since it uses less digits than its factorization.

27422490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 27422490 is about 5236.6487375038. The cubic root of 27422490 is about 301.5566862330.

The spelling of 27422490 in words is "twenty-seven million, four hundred twenty-two thousand, four hundred ninety".