861674736 has 40 divisors (see below), whose sum is σ = 2397225040. Its totient is φ = 265130496.

The previous prime is 861674701. The next prime is 861674747. The reversal of 861674736 is 637476168.

861674736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689821 + ... + 691068.

It is an arithmetic number, because the mean of its divisors is an integer number (59930626).

Almost surely, 2^861674736 is an apocalyptic number.

It is an amenable number.

861674736 is an abundant number, since it is smaller than the sum of its proper divisors (1535550304).

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

861674736 is a wasteful number, since it uses less digits than its factorization.

861674736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380913 (or 1380907 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 861674736 is about 29354.2967212638. The cubic root of 861674736 is about 951.5854360972.

The spelling of 861674736 in words is "eight hundred sixty-one million, six hundred seventy-four thousand, seven hundred thirty-six".