1865713272 has 16 divisors (see below), whose sum is σ = 4664283240. Its totient is φ = 621904416.

The previous prime is 1865713237. The next prime is 1865713349. The reversal of 1865713272 is 2723175681.

1865713272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38869003 + ... + 38869050.

Almost surely, 2^1865713272 is an apocalyptic number.

1865713272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1865713272 is an abundant number, since it is smaller than the sum of its proper divisors (2798569968).

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

1865713272 is a wasteful number, since it uses less digits than its factorization.

1865713272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77738062 (or 77738058 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 1865713272 is about 43193.9031808889. The cubic root of 1865713272 is about 1231.0668409487.

The spelling of 1865713272 in words is "one billion, eight hundred sixty-five million, seven hundred thirteen thousand, two hundred seventy-two".