7081992 has 48 divisors (see below), whose sum is σ = 19896240. Its totient is φ = 2360016.

The previous prime is 7081973. The next prime is 7082011. The reversal of 7081992 is 2991807.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7081973) and next prime (7082011).

It is a super-2 number, since 2×7081992² = 100309221376128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (414505).

Almost surely, 2^7081992 is an apocalyptic number.

7081992 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 7081992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9948120).

7081992 is an abundant number, since it is smaller than the sum of its proper divisors (12814248).

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

7081992 is a wasteful number, since it uses less digits than its factorization.

7081992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 7081992 is about 2661.2012325264. The cubic root of 7081992 is about 192.0371022049.

The spelling of 7081992 in words is "seven million, eighty-one thousand, nine hundred ninety-two".