27484742 has 4 divisors (see below), whose sum is σ = 41227116. Its totient is φ = 13742370.

The previous prime is 27484741. The next prime is 27484753. The reversal of 27484742 is 24748472.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×27484742² = 1510822085613128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27484696 and 27484705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27484741) by changing a digit.

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 as a sum of consecutive naturals, namely, 6871184 + ... + 6871187.

It is an arithmetic number, because the mean of its divisors is an integer number (10306779).

Almost surely, 2^27484742 is an apocalyptic number.

27484742 is a deficient number, since it is larger than the sum of its proper divisors (13742374).

27484742 is a wasteful number, since it uses less digits than its factorization.

27484742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742373.

The product of its digits is 100352, while the sum is 38.

The square root of 27484742 is about 5242.5892457830. The cubic root of 27484742 is about 301.7847024770.

The spelling of 27484742 in words is "twenty-seven million, four hundred eighty-four thousand, seven hundred forty-two".