27775732734 has 16 divisors (see below), whose sum is σ = 61723850640. Its totient is φ = 9258577560.

The previous prime is 27775732703. The next prime is 27775732759. The reversal of 27775732734 is 43723757772.

It is a super-2 number, since 2×27775732734² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 514365421 = 27775732734 / (2 + 7 + 7 + 7 + 5 + 7 + 3 + 2 + 7 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257182657 + ... + 257182764.

It is an arithmetic number, because the mean of its divisors is an integer number (3857740665).

Almost surely, 2^27775732734 is an apocalyptic number.

27775732734 is an abundant number, since it is smaller than the sum of its proper divisors (33948117906).

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

27775732734 is a wasteful number, since it uses less digits than its factorization.

27775732734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514365432 (or 514365426 counting only the distinct ones).

The product of its digits is 12101040, while the sum is 54.

The spelling of 27775732734 in words is "twenty-seven billion, seven hundred seventy-five million, seven hundred thirty-two thousand, seven hundred thirty-four".