697671873 has 20 divisors (see below), whose sum is σ = 1059872880. Its totient is φ = 457228152.

The previous prime is 697671869. The next prime is 697671881. The reversal of 697671873 is 378176796.

It is not a de Polignac number, because 697671873 - 2² = 697671869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (697671883) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68215 + ... + 77772.

It is an arithmetic number, because the mean of its divisors is an integer number (52993644).

Almost surely, 2^697671873 is an apocalyptic number.

It is an amenable number.

697671873 is a deficient number, since it is larger than the sum of its proper divisors (362201007).

697671873 is a wasteful number, since it uses less digits than its factorization.

697671873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146058 (or 146049 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 697671873 is about 26413.4790022064. The cubic root of 697671873 is about 886.9185497256.

The spelling of 697671873 in words is "six hundred ninety-seven million, six hundred seventy-one thousand, eight hundred seventy-three".