27482742 has 24 divisors (see below), whose sum is σ = 68052816. Its totient is φ = 7852176.

The previous prime is 27482729. The next prime is 27482783. The reversal of 27482742 is 24728472.

It is a super-2 number, since 2×27482742² = 1510602215677128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27482697 and 27482706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108933 + ... + 109184.

It is an arithmetic number, because the mean of its divisors is an integer number (2835534).

Almost surely, 2^27482742 is an apocalyptic number.

27482742 is an abundant number, since it is smaller than the sum of its proper divisors (40570074).

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

27482742 is a wasteful number, since it uses less digits than its factorization.

27482742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218132 (or 218129 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 27482742 is about 5242.3984968714. The cubic root of 27482742 is about 301.7773822452. Note that the first 3 decimals are identical.

It can be divided in two parts, 27482 and 742, that added together give a square (28224 = 168²).

The spelling of 27482742 in words is "twenty-seven million, four hundred eighty-two thousand, seven hundred forty-two".