27403612742 has 8 divisors (see below), whose sum is σ = 44842275432. Its totient is φ = 12456187600.

The previous prime is 27403612681. The next prime is 27403612781. The reversal of 27403612742 is 24721630472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27403612696 and 27403612705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622809359 + ... + 622809402.

It is an arithmetic number, because the mean of its divisors is an integer number (5605284429).

Almost surely, 2^27403612742 is an apocalyptic number.

27403612742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27403612742 is a deficient number, since it is larger than the sum of its proper divisors (17438662690).

27403612742 is a wasteful number, since it uses less digits than its factorization.

27403612742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245618774.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 27403612742 in words is "twenty-seven billion, four hundred three million, six hundred twelve thousand, seven hundred forty-two".