7321994 has 8 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 3652876.

The previous prime is 7321987. The next prime is 7322023. The reversal of 7321994 is 4991237.

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

It is a super-2 number, since 2×7321994² = 107223192272072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864 + ... + 4779.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^7321994 is an apocalyptic number.

7321994 is a deficient number, since it is larger than the sum of its proper divisors (3685366).

7321994 is a wasteful number, since it uses less digits than its factorization.

7321994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124.

The product of its digits is 13608, while the sum is 35.

The square root of 7321994 is about 2705.9183284053. The cubic root of 7321994 is about 194.1823665112.

The spelling of 7321994 in words is "seven million, three hundred twenty-one thousand, nine hundred ninety-four".