274798021 has 8 divisors (see below), whose sum is σ = 280002240. Its totient is φ = 269626368.

The previous prime is 274798019. The next prime is 274798039. The reversal of 274798021 is 120897472.

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

It is a cyclic number.

It is not a de Polignac number, because 274798021 - 2¹ = 274798019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274798621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9240 + ... + 25198.

It is an arithmetic number, because the mean of its divisors is an integer number (35000280).

Almost surely, 2^274798021 is an apocalyptic number.

It is an amenable number.

274798021 is a deficient number, since it is larger than the sum of its proper divisors (5204219).

274798021 is a wasteful number, since it uses less digits than its factorization.

274798021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16283.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 274798021 is about 16577.0329371694. The cubic root of 274798021 is about 650.1364770625.

The spelling of 274798021 in words is "two hundred seventy-four million, seven hundred ninety-eight thousand, twenty-one".