274330021 has 8 divisors (see below), whose sum is σ = 313678080. Its totient is φ = 235021488.

The previous prime is 274330019. The next prime is 274330027. The reversal of 274330021 is 120033472.

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 274330021 - 2¹ = 274330019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 274329974 and 274330001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274330027) 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, 6900 + ... + 24418.

It is an arithmetic number, because the mean of its divisors is an integer number (39209760).

Almost surely, 2^274330021 is an apocalyptic number.

It is an amenable number.

274330021 is a deficient number, since it is larger than the sum of its proper divisors (39348059).

274330021 is a wasteful number, since it uses less digits than its factorization.

274330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19763.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 274330021 is about 16562.9110062211. The cubic root of 274330021 is about 649.7671915764.

Adding to 274330021 its reverse (120033472), we get a palindrome (394363493).

The spelling of 274330021 in words is "two hundred seventy-four million, three hundred thirty thousand, twenty-one".