274526728 has 16 divisors (see below), whose sum is σ = 588271680. Its totient is φ = 117654288.

The previous prime is 274526713. The next prime is 274526737. The reversal of 274526728 is 827625472.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2451076 + ... + 2451187.

It is an arithmetic number, because the mean of its divisors is an integer number (36766980).

Almost surely, 2^274526728 is an apocalyptic number.

274526728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

274526728 is an abundant number, since it is smaller than the sum of its proper divisors (313744952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274526728 is a wasteful number, since it uses less digits than its factorization.

274526728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902276 (or 4902272 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 274526728 is about 16568.8481192870. The cubic root of 274526728 is about 649.9224586002.

The spelling of 274526728 in words is "two hundred seventy-four million, five hundred twenty-six thousand, seven hundred twenty-eight".