7628746 has 4 divisors (see below), whose sum is σ = 11443122. Its totient is φ = 3814372.

The previous prime is 7628741. The next prime is 7628773. The reversal of 7628746 is 6478267.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7623121 + 5625 = 2761^2 + 75^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7628699 and 7628708.

It is not an unprimeable number, because it can be changed into a prime (7628741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907185 + ... + 1907188.

Almost surely, 2^7628746 is an apocalyptic number.

7628746 is a deficient number, since it is larger than the sum of its proper divisors (3814376).

7628746 is a wasteful number, since it uses less digits than its factorization.

7628746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814375.

The product of its digits is 112896, while the sum is 40.

The square root of 7628746 is about 2762.0184648188. The cubic root of 7628746 is about 196.8570858311.

The spelling of 7628746 in words is "seven million, six hundred twenty-eight thousand, seven hundred forty-six".