2672117994 has 64 divisors (see below), whose sum is σ = 6602158080. Its totient is φ = 702095040.

The previous prime is 2672117983. The next prime is 2672117999. The reversal of 2672117994 is 4997112762.

2672117994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2672117999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138937 + ... + 156995.

It is an arithmetic number, because the mean of its divisors is an integer number (103158720).

Almost surely, 2^2672117994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2672117994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3301079040).

2672117994 is an abundant number, since it is smaller than the sum of its proper divisors (3930040086).

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

2672117994 is a wasteful number, since it uses less digits than its factorization.

2672117994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18355.

The product of its digits is 381024, while the sum is 48.

The square root of 2672117994 is about 51692.5332519117. The cubic root of 2672117994 is about 1387.6668403546. Note that the first 3 decimals are identical.

The spelling of 2672117994 in words is "two billion, six hundred seventy-two million, one hundred seventeen thousand, nine hundred ninety-four".