7636634 has 4 divisors (see below), whose sum is σ = 11454954. Its totient is φ = 3818316.

The previous prime is 7636627. The next prime is 7636661. The reversal of 7636634 is 4366367.

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., 6630625 + 1006009 = 2575^2 + 1003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7636594 and 7636603.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1909157 + ... + 1909160.

Almost surely, 2^7636634 is an apocalyptic number.

7636634 is a deficient number, since it is larger than the sum of its proper divisors (3818320).

7636634 is a wasteful number, since it uses less digits than its factorization.

7636634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818319.

The product of its digits is 54432, while the sum is 35.

The square root of 7636634 is about 2763.4460371066. The cubic root of 7636634 is about 196.9249114741.

The spelling of 7636634 in words is "seven million, six hundred thirty-six thousand, six hundred thirty-four".