274021 has 8 divisors (see below), whose sum is σ = 309600. Its totient is φ = 240240.

The previous prime is 274019. The next prime is 274033. The reversal of 274021 is 120472.

274021 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 274021 - 2¹ = 274019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 273986 and 274004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 748.

It is an arithmetic number, because the mean of its divisors is an integer number (38700).

2²⁷⁴⁰²¹ is an apocalyptic number.

It is an amenable number.

274021 is a deficient number, since it is larger than the sum of its proper divisors (35579).

274021 is a wasteful number, since it uses less digits than its factorization.

274021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 274021 is about 523.4701519667. The cubic root of 274021 is about 64.9523121620.

Adding to 274021 its reverse (120472), we get a palindrome (394493).

The spelling of 274021 in words is "two hundred seventy-four thousand, twenty-one", and thus it is an iban number.