1901272472 has 16 divisors (see below), whose sum is σ = 3888966600. Its totient is φ = 864214720.

The previous prime is 1901272453. The next prime is 1901272481. The reversal of 1901272472 is 2742721091.

It is a super-2 number, since 2×1901272472² = 7229674025569981568, which contains 22 as substring.

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, 10802597 + ... + 10802772.

Almost surely, 2^1901272472 is an apocalyptic number.

It is an amenable number.

1901272472 is an abundant number, since it is smaller than the sum of its proper divisors (1987694128).

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

1901272472 is a wasteful number, since it uses less digits than its factorization.

1901272472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21605386 (or 21605382 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 1901272472 is about 43603.5832472516. The cubic root of 1901272472 is about 1238.8387654513.

The spelling of 1901272472 in words is "one billion, nine hundred one million, two hundred seventy-two thousand, four hundred seventy-two".