27742452734 has 4 divisors (see below), whose sum is σ = 41613679104. Its totient is φ = 13871226366.

The previous prime is 27742452733. The next prime is 27742452737. The reversal of 27742452734 is 43725424772.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27742452733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935613182 + ... + 6935613185.

It is an arithmetic number, because the mean of its divisors is an integer number (10403419776).

Almost surely, 2^27742452734 is an apocalyptic number.

27742452734 is a deficient number, since it is larger than the sum of its proper divisors (13871226370).

27742452734 is a wasteful number, since it uses less digits than its factorization.

27742452734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871226369.

The product of its digits is 2634240, while the sum is 47.

The spelling of 27742452734 in words is "twenty-seven billion, seven hundred forty-two million, four hundred fifty-two thousand, seven hundred thirty-four".