697748345 has 8 divisors (see below), whose sum is σ = 956912064. Its totient is φ = 478455984.

The previous prime is 697748329. The next prime is 697748353. The reversal of 697748345 is 543847796.

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 697748345 - 2⁴ = 697748329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9967799 + ... + 9967868.

It is an arithmetic number, because the mean of its divisors is an integer number (119614008).

Almost surely, 2^697748345 is an apocalyptic number.

It is an amenable number.

697748345 is a deficient number, since it is larger than the sum of its proper divisors (259163719).

697748345 is a wasteful number, since it uses less digits than its factorization.

697748345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19935679.

The product of its digits is 5080320, while the sum is 53.

The square root of 697748345 is about 26414.9265567785. The cubic root of 697748345 is about 886.9509536679.

The spelling of 697748345 in words is "six hundred ninety-seven million, seven hundred forty-eight thousand, three hundred forty-five".