841666672 has 80 divisors (see below), whose sum is σ = 2054368512. Its totient is φ = 324495360.

The previous prime is 841666627. The next prime is 841666673. The reversal of 841666672 is 276666148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841666673) 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, 115983 + ... + 123025.

Almost surely, 2^841666672 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 841666672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027184256).

841666672 is an abundant number, since it is smaller than the sum of its proper divisors (1212701840).

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

841666672 is a wasteful number, since it uses less digits than its factorization.

841666672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166 (or 7160 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 841666672 is about 29011.4920677996. The cubic root of 841666672 is about 944.1624193866.

The spelling of 841666672 in words is "eight hundred forty-one million, six hundred sixty-six thousand, six hundred seventy-two".