7981334 has 8 divisors (see below), whose sum is σ = 12052800. Its totient is φ = 3963736.

The previous prime is 7981333. The next prime is 7981339. The reversal of 7981334 is 4331897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7981294 and 7981303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7981331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13094 + ... + 13689.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 2^7981334 is an apocalyptic number.

7981334 is a deficient number, since it is larger than the sum of its proper divisors (4071466).

7981334 is a wasteful number, since it uses less digits than its factorization.

7981334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26934.

The product of its digits is 18144, while the sum is 35.

The square root of 7981334 is about 2825.1254839387. The cubic root of 7981334 is about 199.8443288639.

The spelling of 7981334 in words is "seven million, nine hundred eighty-one thousand, three hundred thirty-four".