314027721 has 36 divisors (see below), whose sum is σ = 529468212. Its totient is φ = 178827264.

The previous prime is 314027719. The next prime is 314027729. The reversal of 314027721 is 127720413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25401600 + 288626121 = 5040^2 + 16989^2 .

It is not a de Polignac number, because 314027721 - 2¹ = 314027719 is a prime.

It is a super-2 number, since 2×314027721² = 197226819112907682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314027729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 147561 + ... + 149673.

Almost surely, 2^314027721 is an apocalyptic number.

It is an amenable number.

314027721 is a deficient number, since it is larger than the sum of its proper divisors (215440491).

314027721 is a wasteful number, since it uses less digits than its factorization.

314027721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 314027721 is about 17720.8273226732. The cubic root of 314027721 is about 679.7084397417.

The spelling of 314027721 in words is "three hundred fourteen million, twenty-seven thousand, seven hundred twenty-one".