7644994 has 8 divisors (see below), whose sum is σ = 13105728. Its totient is φ = 3276420.

The previous prime is 7644991. The next prime is 7644997. The reversal of 7644994 is 4994467.

It is an interprime number because it is at equal distance from previous prime (7644991) and next prime (7644997).

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

It is a self number, because there is not a number n which added to its sum of digits gives 7644994.

It is not an unprimeable number, because it can be changed into a prime (7644991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273022 + ... + 273049.

It is an arithmetic number, because the mean of its divisors is an integer number (1638216).

Almost surely, 2^7644994 is an apocalyptic number.

7644994 is a deficient number, since it is larger than the sum of its proper divisors (5460734).

7644994 is a wasteful number, since it uses less digits than its factorization.

7644994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546080.

The product of its digits is 217728, while the sum is 43.

The square root of 7644994 is about 2764.9582275326. The cubic root of 7644994 is about 196.9967446875.

The spelling of 7644994 in words is "seven million, six hundred forty-four thousand, nine hundred ninety-four".