27321744746 has 16 divisors (see below), whose sum is σ = 42085854720. Its totient is φ = 13296338640.

The previous prime is 27321744727. The next prime is 27321744767. The reversal of 27321744746 is 64744712372.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 27321744746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785906 + ... + 819933.

It is an arithmetic number, because the mean of its divisors is an integer number (2630365920).

Almost surely, 2^27321744746 is an apocalyptic number.

27321744746 is a deficient number, since it is larger than the sum of its proper divisors (14764109974).

27321744746 is a wasteful number, since it uses less digits than its factorization.

27321744746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606069.

The product of its digits is 1580544, while the sum is 47.

The spelling of 27321744746 in words is "twenty-seven billion, three hundred twenty-one million, seven hundred forty-four thousand, seven hundred forty-six".