274803021 has 12 divisors (see below), whose sum is σ = 398218080. Its totient is φ = 182611080.

The previous prime is 274803019. The next prime is 274803029. The reversal of 274803021 is 120308472.

It is not a de Polignac number, because 274803021 - 2¹ = 274803019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274803029) 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 11 ways as a sum of consecutive naturals, for example, 46291 + ... + 51888.

It is an arithmetic number, because the mean of its divisors is an integer number (33184840).

Almost surely, 2^274803021 is an apocalyptic number.

It is an amenable number.

274803021 is a deficient number, since it is larger than the sum of its proper divisors (123415059).

274803021 is a wasteful number, since it uses less digits than its factorization.

274803021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98496 (or 98493 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 274803021 is about 16577.1837475489. The cubic root of 274803021 is about 650.1404201558.

The spelling of 274803021 in words is "two hundred seventy-four million, eight hundred three thousand, twenty-one".