27045304473 has 24 divisors (see below), whose sum is σ = 39754440544. Its totient is φ = 16342381440.

The previous prime is 27045304457. The next prime is 27045304511. The reversal of 27045304473 is 37440354072.

It is a happy number.

It is not a de Polignac number, because 27045304473 - 2⁴ = 27045304457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27045304073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11790 + ... + 232872.

Almost surely, 2^27045304473 is an apocalyptic number.

It is an amenable number.

27045304473 is a deficient number, since it is larger than the sum of its proper divisors (12709136071).

27045304473 is a wasteful number, since it uses less digits than its factorization.

27045304473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221445 (or 221434 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 39.

The spelling of 27045304473 in words is "twenty-seven billion, forty-five million, three hundred four thousand, four hundred seventy-three".