866725374 has 16 divisors (see below), whose sum is σ = 1740706560. Its totient is φ = 287699160.

The previous prime is 866725369. The next prime is 866725421. The reversal of 866725374 is 473527668.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300772 + ... + 303639.

It is an arithmetic number, because the mean of its divisors is an integer number (108794160).

Almost surely, 2^866725374 is an apocalyptic number.

866725374 is an abundant number, since it is smaller than the sum of its proper divisors (873981186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866725374 is a wasteful number, since it uses less digits than its factorization.

866725374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604655.

The product of its digits is 1693440, while the sum is 48.

The square root of 866725374 is about 29440.1999653535. The cubic root of 866725374 is about 953.4410294762.

The spelling of 866725374 in words is "eight hundred sixty-six million, seven hundred twenty-five thousand, three hundred seventy-four".