274364649 has 24 divisors (see below), whose sum is σ = 451897992. Its totient is φ = 158906880.

The previous prime is 274364627. The next prime is 274364653. The reversal of 274364649 is 946463472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35105625 + 239259024 = 5925^2 + 15468^2 .

It is not a de Polignac number, because 274364649 - 2⁹ = 274364137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274364609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66982 + ... + 70959.

It is an arithmetic number, because the mean of its divisors is an integer number (18829083).

Almost surely, 2^274364649 is an apocalyptic number.

It is an amenable number.

274364649 is a deficient number, since it is larger than the sum of its proper divisors (177533343).

274364649 is a wasteful number, since it uses less digits than its factorization.

274364649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137977 (or 137974 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 274364649 is about 16563.9563208794. The cubic root of 274364649 is about 649.7945299279.

The spelling of 274364649 in words is "two hundred seventy-four million, three hundred sixty-four thousand, six hundred forty-nine".