3972732693 has 8 divisors (see below), whose sum is σ = 5308776000. Its totient is φ = 2642588928.

The previous prime is 3972732689. The next prime is 3972732733. The reversal of 3972732693 is 3962372793.

It is a happy number.

3972732693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3972732693 - 2² = 3972732689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972732613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473313 + ... + 1476006.

It is an arithmetic number, because the mean of its divisors is an integer number (663597000).

Almost surely, 2^3972732693 is an apocalyptic number.

It is an amenable number.

3972732693 is a deficient number, since it is larger than the sum of its proper divisors (1336043307).

3972732693 is a wasteful number, since it uses less digits than its factorization.

3972732693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949771.

The product of its digits is 2571912, while the sum is 51.

The square root of 3972732693 is about 63029.6175857033. The cubic root of 3972732693 is about 1583.7858120085.

The spelling of 3972732693 in words is "three billion, nine hundred seventy-two million, seven hundred thirty-two thousand, six hundred ninety-three".