27740403772 has 6 divisors (see below), whose sum is σ = 48545706608. Its totient is φ = 13870201884.

The previous prime is 27740403739. The next prime is 27740403773. The reversal of 27740403772 is 27730404772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27740403773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3467550468 + ... + 3467550475.

Almost surely, 2^27740403772 is an apocalyptic number.

It is an amenable number.

27740403772 is a deficient number, since it is larger than the sum of its proper divisors (20805302836).

27740403772 is a wasteful number, since it uses less digits than its factorization.

27740403772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935100947 (or 6935100945 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 43.

The spelling of 27740403772 in words is "twenty-seven billion, seven hundred forty million, four hundred three thousand, seven hundred seventy-two".