697945067 has 4 divisors (see below), whose sum is σ = 720459456. Its totient is φ = 675430680.

The previous prime is 697945063. The next prime is 697945099. The reversal of 697945067 is 760549796.

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 697945067 - 2² = 697945063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (697945063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11257148 + ... + 11257209.

It is an arithmetic number, because the mean of its divisors is an integer number (180114864).

Almost surely, 2^697945067 is an apocalyptic number.

697945067 is a deficient number, since it is larger than the sum of its proper divisors (22514389).

697945067 is a wasteful number, since it uses less digits than its factorization.

697945067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22514388.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 697945067 is about 26418.6499844333. The cubic root of 697945067 is about 887.0343009910.

The spelling of 697945067 in words is "six hundred ninety-seven million, nine hundred forty-five thousand, sixty-seven".