7638472107 has 12 divisors (see below), whose sum is σ = 12609541360. Its totient is φ = 4364841168.

The previous prime is 7638472103. The next prime is 7638472123. The reversal of 7638472107 is 7012748367.

7638472107 is a `hidden beast` number, since 7 + 638 + 4 + 7 + 2 + 1 + 0 + 7 = 666.

It is not a de Polignac number, because 7638472107 - 2² = 7638472103 is a prime.

It is a super-2 number, since 2×7638472107² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7638472103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60622732 + ... + 60622857.

Almost surely, 2^7638472107 is an apocalyptic number.

7638472107 is a deficient number, since it is larger than the sum of its proper divisors (4971069253).

7638472107 is a wasteful number, since it uses less digits than its factorization.

7638472107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121245602 (or 121245599 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 7638472107 is about 87398.3529993558. The cubic root of 7638472107 is about 1969.4070988392.

The spelling of 7638472107 in words is "seven billion, six hundred thirty-eight million, four hundred seventy-two thousand, one hundred seven".