2171073774 has 48 divisors (see below), whose sum is σ = 4620841200. Its totient is φ = 679904256.

The previous prime is 2171073769. The next prime is 2171073787. The reversal of 2171073774 is 4773701712.

It is a super-2 number, since 2×2171073774² = 9427122664301206152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1922442 + ... + 1923570.

It is an arithmetic number, because the mean of its divisors is an integer number (96267525).

Almost surely, 2^2171073774 is an apocalyptic number.

2171073774 is an abundant number, since it is smaller than the sum of its proper divisors (2449767426).

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

2171073774 is a wasteful number, since it uses less digits than its factorization.

2171073774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 39.

The square root of 2171073774 is about 46594.7826907691. The cubic root of 2171073774 is about 1294.8660980696.

The spelling of 2171073774 in words is "two billion, one hundred seventy-one million, seventy-three thousand, seven hundred seventy-four".