3786732072 has 128 divisors (see below), whose sum is σ = 11454480000. Its totient is φ = 1154539008.

The previous prime is 3786732071. The next prime is 3786732109. The reversal of 3786732072 is 2702376873.

3786732072 is a `hidden beast` number, since 378 + 6 + 73 + 207 + 2 = 666.

It is a super-2 number, since 2×3786732072² = 28678679570226826368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3786732071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103108 + ... + 134924.

It is an arithmetic number, because the mean of its divisors is an integer number (89488125).

Almost surely, 2^3786732072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3786732072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5727240000).

3786732072 is an abundant number, since it is smaller than the sum of its proper divisors (7667747928).

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

3786732072 is a wasteful number, since it uses less digits than its factorization.

3786732072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31880 (or 31870 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 3786732072 is about 61536.4288206587. The cubic root of 3786732072 is about 1558.6724504664.

The spelling of 3786732072 in words is "three billion, seven hundred eighty-six million, seven hundred thirty-two thousand, seventy-two".