27340346670 has 128 divisors (see below), whose sum is σ = 80843857920. Its totient is φ = 5762465280.

The previous prime is 27340346653. The next prime is 27340346689. The reversal of 27340346670 is 7664304372.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2891811 + ... + 2901249.

It is an arithmetic number, because the mean of its divisors is an integer number (631592640).

Almost surely, 2^27340346670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27340346670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40421928960).

27340346670 is an abundant number, since it is smaller than the sum of its proper divisors (53503511250).

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

27340346670 is a wasteful number, since it uses less digits than its factorization.

27340346670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530.

The product of its (nonzero) digits is 508032, while the sum is 42.

The spelling of 27340346670 in words is "twenty-seven billion, three hundred forty million, three hundred forty-six thousand, six hundred seventy".