27494072832 has 160 divisors (see below), whose sum is σ = 74631598272. Its totient is φ = 8992456704.

The previous prime is 27494072819. The next prime is 27494072839. The reversal of 27494072832 is 23827049472.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (27494072839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44560588 + ... + 44561204.

Almost surely, 2^27494072832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27494072832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37315799136).

27494072832 is an abundant number, since it is smaller than the sum of its proper divisors (47137525440).

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

27494072832 is an equidigital number, since it uses as much as digits as its factorization.

27494072832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 27494072832 in words is "twenty-seven billion, four hundred ninety-four million, seventy-two thousand, eight hundred thirty-two".