697472727 has 8 divisors (see below), whose sum is σ = 1062815616. Its totient is φ = 398555832.

The previous prime is 697472693. The next prime is 697472731. The reversal of 697472727 is 727274796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 697472727 - 2¹² = 697468631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 697472727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697472227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16606473 + ... + 16606514.

It is an arithmetic number, because the mean of its divisors is an integer number (132851952).

Almost surely, 2^697472727 is an apocalyptic number.

697472727 is a deficient number, since it is larger than the sum of its proper divisors (365342889).

697472727 is a wasteful number, since it uses less digits than its factorization.

697472727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33212997.

The product of its digits is 2074464, while the sum is 51.

The square root of 697472727 is about 26409.7089533376. The cubic root of 697472727 is about 886.8341532747.

The spelling of 697472727 in words is "six hundred ninety-seven million, four hundred seventy-two thousand, seven hundred twenty-seven".