6997007 has 4 divisors (see below), whose sum is σ = 7129080. Its totient is φ = 6864936.

The previous prime is 6996989. The next prime is 6997021. The reversal of 6997007 is 7007996.

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

It is a cyclic number.

It is not a de Polignac number, because 6997007 - 2¹⁰ = 6995983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997057) 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 3 ways as a sum of consecutive naturals, for example, 65957 + ... + 66062.

It is an arithmetic number, because the mean of its divisors is an integer number (1782270).

Almost surely, 2^6997007 is an apocalyptic number.

6997007 is a deficient number, since it is larger than the sum of its proper divisors (132073).

6997007 is a wasteful number, since it uses less digits than its factorization.

6997007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132072.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 6997007 is about 2645.1856267567. The cubic root of 6997007 is about 191.2658505666.

The spelling of 6997007 in words is "six million, nine hundred ninety-seven thousand, seven".