7106643 has 8 divisors (see below), whose sum is σ = 10528400. Its totient is φ = 4737744.

The previous prime is 7106639. The next prime is 7106647. The reversal of 7106643 is 3466017.

7106643 is a `hidden beast` number, since 7 + 10 + 6 + 643 = 666.

It is an interprime number because it is at equal distance from previous prime (7106639) and next prime (7106647).

It is not a de Polignac number, because 7106643 - 2² = 7106639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 263209 = 7106643 / (7 + 1 + 0 + 6 + 6 + 4 + 3).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7106647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131578 + ... + 131631.

It is an arithmetic number, because the mean of its divisors is an integer number (1316050).

Almost surely, 2^7106643 is an apocalyptic number.

7106643 is a deficient number, since it is larger than the sum of its proper divisors (3421757).

7106643 is a wasteful number, since it uses less digits than its factorization.

7106643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263218 (or 263212 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 7106643 is about 2665.8287641932. The cubic root of 7106643 is about 192.2596584484.

The spelling of 7106643 in words is "seven million, one hundred six thousand, six hundred forty-three".