7929994 has 8 divisors (see below), whose sum is σ = 11924640. Its totient is φ = 3955116.

The previous prime is 7929983. The next prime is 7929997. The reversal of 7929994 is 4999297.

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

It is not an unprimeable number, because it can be changed into a prime (7929997) 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, 3894 + ... + 5569.

It is an arithmetic number, because the mean of its divisors is an integer number (1490580).

Almost surely, 2^7929994 is an apocalyptic number.

7929994 is a deficient number, since it is larger than the sum of its proper divisors (3994646).

7929994 is a wasteful number, since it uses less digits than its factorization.

7929994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884.

The product of its digits is 367416, while the sum is 49.

The square root of 7929994 is about 2816.0245027343. The cubic root of 7929994 is about 199.4149066648.

The spelling of 7929994 in words is "seven million, nine hundred twenty-nine thousand, nine hundred ninety-four".