697773644 has 24 divisors (see below), whose sum is σ = 1250351088. Its totient is φ = 340623360.

The previous prime is 697773641. The next prime is 697773667. The reversal of 697773644 is 446377796.

697773644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×697773644² = 973776116522077472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (697773641) 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, 18764 + ... + 41804.

It is an arithmetic number, because the mean of its divisors is an integer number (52097962).

Almost surely, 2^697773644 is an apocalyptic number.

It is an amenable number.

697773644 is a deficient number, since it is larger than the sum of its proper divisors (552577444).

697773644 is a wasteful number, since it uses less digits than its factorization.

697773644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23225 (or 23223 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 53.

The square root of 697773644 is about 26415.4054294080. The cubic root of 697773644 is about 886.9616732447.

The spelling of 697773644 in words is "six hundred ninety-seven million, seven hundred seventy-three thousand, six hundred forty-four".