7636642 has 8 divisors (see below), whose sum is σ = 12336156. Its totient is φ = 3524592.

The previous prime is 7636627. The next prime is 7636661. The reversal of 7636642 is 2466367.

It can be written as a sum of positive squares in 2 ways, for example, as 5707321 + 1929321 = 2389^2 + 1389^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7636598 and 7636607.

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, 146833 + ... + 146884.

Almost surely, 2^7636642 is an apocalyptic number.

7636642 is a deficient number, since it is larger than the sum of its proper divisors (4699514).

7636642 is a wasteful number, since it uses less digits than its factorization.

7636642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293732.

The product of its digits is 36288, while the sum is 34.

The square root of 7636642 is about 2763.4474845743. The cubic root of 7636642 is about 196.9249802391.

The spelling of 7636642 in words is "seven million, six hundred thirty-six thousand, six hundred forty-two".