2173677725 has 12 divisors (see below), whose sum is σ = 2701806240. Its totient is φ = 1734783600.

The previous prime is 2173677713. The next prime is 2173677731. The reversal of 2173677725 is 5277763712.

It is not a de Polignac number, because 2173677725 - 2¹² = 2173673629 is a prime.

It is a super-2 number, since 2×2173677725² = 9449749704322351250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2173677725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93281 + ... + 114230.

It is an arithmetic number, because the mean of its divisors is an integer number (225150520).

Almost surely, 2^2173677725 is an apocalyptic number.

2173677725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2173677725 is a deficient number, since it is larger than the sum of its proper divisors (528128515).

2173677725 is a wasteful number, since it uses less digits than its factorization.

2173677725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207940 (or 207935 counting only the distinct ones).

The product of its digits is 864360, while the sum is 47.

The square root of 2173677725 is about 46622.7168341786. The cubic root of 2173677725 is about 1295.3835717722.

The spelling of 2173677725 in words is "two billion, one hundred seventy-three million, six hundred seventy-seven thousand, seven hundred twenty-five".