542781274 has 16 divisors (see below), whose sum is σ = 940939200. Its totient is φ = 230006304.

The previous prime is 542781257. The next prime is 542781307. The reversal of 542781274 is 472187245.

It is a super-2 number, since 2×542781274² = 589223022810126152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216564 + ... + 219055.

It is an arithmetic number, because the mean of its divisors is an integer number (58808700).

Almost surely, 2^542781274 is an apocalyptic number.

542781274 is a deficient number, since it is larger than the sum of its proper divisors (398157926).

542781274 is a wasteful number, since it uses less digits than its factorization.

542781274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435717.

The product of its digits is 125440, while the sum is 40.

The square root of 542781274 is about 23297.6667072048. Note that the first 3 decimals coincide. The cubic root of 542781274 is about 815.7209543829.

The spelling of 542781274 in words is "five hundred forty-two million, seven hundred eighty-one thousand, two hundred seventy-four".