6997706 has 4 divisors (see below), whose sum is σ = 10496562. Its totient is φ = 3498852.

The previous prime is 6997687. The next prime is 6997733. The reversal of 6997706 is 6077996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 1681 = 2645^2 + 41^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749425 + ... + 1749428.

Almost surely, 2^6997706 is an apocalyptic number.

6997706 is a deficient number, since it is larger than the sum of its proper divisors (3498856).

6997706 is a wasteful number, since it uses less digits than its factorization.

6997706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498855.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 6997706 is about 2645.3177502901. The cubic root of 6997706 is about 191.2722194983.

The spelling of 6997706 in words is "six million, nine hundred ninety-seven thousand, seven hundred six".