7006906 has 4 divisors (see below), whose sum is σ = 10510362. Its totient is φ = 3503452.

The previous prime is 7006903. The next prime is 7006933. The reversal of 7006906 is 6096007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6096007 = 53 ⋅115019.

It can be written as a sum of positive squares in only one way, i.e., 6890625 + 116281 = 2625^2 + 341^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7006903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751725 + ... + 1751728.

Almost surely, 2^7006906 is an apocalyptic number.

7006906 is a deficient number, since it is larger than the sum of its proper divisors (3503456).

7006906 is a wasteful number, since it uses less digits than its factorization.

7006906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503455.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7006906 is about 2647.0561006522. The cubic root of 7006906 is about 191.3560057091.

It can be divided in two parts, 7006 and 906, that multiplied together give a palindrome (6347436).

The spelling of 7006906 in words is "seven million, six thousand, nine hundred six".