697795945 has 16 divisors (see below), whose sum is σ = 1043975808. Its totient is φ = 434989440.

The previous prime is 697795859. The next prime is 697795949. The reversal of 697795945 is 549597796.

697795945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-697795945 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (697795949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905844 + ... + 906613.

It is an arithmetic number, because the mean of its divisors is an integer number (65248488).

Almost surely, 2^697795945 is an apocalyptic number.

It is an amenable number.

697795945 is a deficient number, since it is larger than the sum of its proper divisors (346179863).

697795945 is a wasteful number, since it uses less digits than its factorization.

697795945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812480.

The product of its digits is 21432600, while the sum is 61.

The square root of 697795945 is about 26415.8275471354. The cubic root of 697795945 is about 886.9711223078.

The spelling of 697795945 in words is "six hundred ninety-seven million, seven hundred ninety-five thousand, nine hundred forty-five".