274542009 has 16 divisors (see below), whose sum is σ = 421125120. Its totient is φ = 155840400.

The previous prime is 274541999. The next prime is 274542011. The reversal of 274542009 is 900245472.

It is not a de Polignac number, because 274542009 - 2⁹ = 274541497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274542509) 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, 40119 + ... + 46460.

It is an arithmetic number, because the mean of its divisors is an integer number (26320320).

Almost surely, 2^274542009 is an apocalyptic number.

It is an amenable number.

274542009 is a deficient number, since it is larger than the sum of its proper divisors (146583111).

274542009 is a wasteful number, since it uses less digits than its factorization.

274542009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86740.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 274542009 is about 16569.3092493320. The cubic root of 274542009 is about 649.9345172692.

The spelling of 274542009 in words is "two hundred seventy-four million, five hundred forty-two thousand, nine".