27746470290 has 64 divisors (see below), whose sum is σ = 83023211520. Its totient is φ = 5765499840.

The previous prime is 27746470267. The next prime is 27746470303. The reversal of 27746470290 is 9207464772.

27746470290 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×27746470290² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6003420 + ... + 6008039.

It is an arithmetic number, because the mean of its divisors is an integer number (1297237680).

Almost surely, 2^27746470290 is an apocalyptic number.

27746470290 is an abundant number, since it is smaller than the sum of its proper divisors (55276741230).

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

27746470290 is a wasteful number, since it uses less digits than its factorization.

27746470290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011487.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 27746470290 in words is "twenty-seven billion, seven hundred forty-six million, four hundred seventy thousand, two hundred ninety".