274515428 has 12 divisors (see below), whose sum is σ = 524074992. Its totient is φ = 124779720.

The previous prime is 274515403. The next prime is 274515443. The reversal of 274515428 is 824515472.

It is a junction number, because it is equal to n+sod(n) for n = 274515391 and 274515400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119450 + ... + 3119537.

It is an arithmetic number, because the mean of its divisors is an integer number (43672916).

Almost surely, 2^274515428 is an apocalyptic number.

It is an amenable number.

274515428 is a deficient number, since it is larger than the sum of its proper divisors (249559564).

274515428 is a wasteful number, since it uses less digits than its factorization.

274515428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239002 (or 6239000 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 274515428 is about 16568.5071144023. The cubic root of 274515428 is about 649.9135411630.

The spelling of 274515428 in words is "two hundred seventy-four million, five hundred fifteen thousand, four hundred twenty-eight".