7638132506 has 8 divisors (see below), whose sum is σ = 12060209280. Its totient is φ = 3618062748.

The previous prime is 7638132497. The next prime is 7638132529. The reversal of 7638132506 is 6052318367.

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

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, 100501706 + ... + 100501781.

It is an arithmetic number, because the mean of its divisors is an integer number (1507526160).

Almost surely, 2^7638132506 is an apocalyptic number.

7638132506 is a deficient number, since it is larger than the sum of its proper divisors (4422076774).

7638132506 is a wasteful number, since it uses less digits than its factorization.

7638132506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201003508.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 7638132506 is about 87396.4101436667. The cubic root of 7638132506 is about 1969.3779122636.

The spelling of 7638132506 in words is "seven billion, six hundred thirty-eight million, one hundred thirty-two thousand, five hundred six".