697674727 has 2 divisors, whose sum is σ = 697674728. Its totient is φ = 697674726.

The previous prime is 697674647. The next prime is 697674743. The reversal of 697674727 is 727476796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697674727 - 2⁷ = 697674599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697674767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348837363 + 348837364.

It is an arithmetic number, because the mean of its divisors is an integer number (348837364).

Almost surely, 2^697674727 is an apocalyptic number.

697674727 is a deficient number, since it is larger than the sum of its proper divisors (1).

697674727 is an equidigital number, since it uses as much as digits as its factorization.

697674727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6223392, while the sum is 55.

The square root of 697674727 is about 26413.5330275978. The cubic root of 697674727 is about 886.9197591107.

The spelling of 697674727 in words is "six hundred ninety-seven million, six hundred seventy-four thousand, seven hundred twenty-seven".