4073891868 has 24 divisors (see below), whose sum is σ = 10561942160. Its totient is φ = 1357963920.

The previous prime is 4073891839. The next prime is 4073891879. The reversal of 4073891868 is 8681983704.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18860503 + ... + 18860718.

Almost surely, 2^4073891868 is an apocalyptic number.

It is an amenable number.

4073891868 is an abundant number, since it is smaller than the sum of its proper divisors (6488050292).

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

4073891868 is a wasteful number, since it uses less digits than its factorization.

4073891868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37721234 (or 37721226 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 4073891868 is about 63827.0465241813. The cubic root of 4073891868 is about 1597.1161422047.

The spelling of 4073891868 in words is "four billion, seventy-three million, eight hundred ninety-one thousand, eight hundred sixty-eight".