7873992 has 96 divisors (see below), whose sum is σ = 25833600. Its totient is φ = 2115072.

The previous prime is 7873979. The next prime is 7874011. The reversal of 7873992 is 2993787.

It is a nude number because it is divisible by every one of its digits.

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, 8109 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (269100).

Almost surely, 2^7873992 is an apocalyptic number.

7873992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7873992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12916800).

7873992 is an abundant number, since it is smaller than the sum of its proper divisors (17959608).

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

7873992 is a wasteful number, since it uses less digits than its factorization.

7873992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 948 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 7873992 is about 2806.0634347783. The cubic root of 7873992 is about 198.9443713772.

The spelling of 7873992 in words is "seven million, eight hundred seventy-three thousand, nine hundred ninety-two".