7638875 has 16 divisors (see below), whose sum is σ = 9951552. Its totient is φ = 5843200.

The previous prime is 7638859. The next prime is 7638877. The reversal of 7638875 is 5788367.

7638875 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7638875 - 2⁴ = 7638859 is a prime.

It is a super-2 number, since 2×7638875² = 116704822531250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7638877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (621972).

Almost surely, 2^7638875 is an apocalyptic number.

7638875 is a deficient number, since it is larger than the sum of its proper divisors (2312677).

7638875 is a wasteful number, since it uses less digits than its factorization.

7638875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695 (or 2685 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 7638875 is about 2763.8514793672. The cubic root of 7638875 is about 196.9441723843.

The spelling of 7638875 in words is "seven million, six hundred thirty-eight thousand, eight hundred seventy-five".