7638467 has 8 divisors (see below), whose sum is σ = 7761600. Its totient is φ = 7516584.

The previous prime is 7638403. The next prime is 7638473. The reversal of 7638467 is 7648367.

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

It is a cyclic number.

It is not a de Polignac number, because 7638467 - 2⁶ = 7638403 is a prime.

It is a super-2 number, since 2×7638467² = 116692356220178, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁷ + 6³ + 3³ + 8 + 4¹⁰ + 6⁴ + 7⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7638497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24728 + ... + 25034.

It is an arithmetic number, because the mean of its divisors is an integer number (970200).

Almost surely, 2^7638467 is an apocalyptic number.

7638467 is a deficient number, since it is larger than the sum of its proper divisors (123133).

7638467 is a wasteful number, since it uses less digits than its factorization.

7638467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its digits is 169344, while the sum is 41.

The square root of 7638467 is about 2763.7776683373. Note that the first 3 decimals coincide. The cubic root of 7638467 is about 196.9406659931.

The spelling of 7638467 in words is "seven million, six hundred thirty-eight thousand, four hundred sixty-seven".