693727397 has 8 divisors (see below), whose sum is σ = 757358112. Its totient is φ = 630190800.

The previous prime is 693727367. The next prime is 693727409. The reversal of 693727397 is 793727396.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 693727397 - 2²⁴ = 676950181 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 (693727327) 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, 7643 + ... + 38024.

It is an arithmetic number, because the mean of its divisors is an integer number (94669764).

Almost surely, 2^693727397 is an apocalyptic number.

It is an amenable number.

693727397 is a deficient number, since it is larger than the sum of its proper divisors (63630715).

693727397 is a wasteful number, since it uses less digits than its factorization.

693727397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47059.

The product of its digits is 3000564, while the sum is 53.

The square root of 693727397 is about 26338.7053022733. The cubic root of 693727397 is about 885.2439120437.

Subtracting 693727397 from its reverse (793727396), we obtain a palindrome (99999999).

The spelling of 693727397 in words is "six hundred ninety-three million, seven hundred twenty-seven thousand, three hundred ninety-seven".