37725782331 has 8 divisors (see below), whose sum is σ = 50319076864. Its totient is φ = 25141504680.

The previous prime is 37725782323. The next prime is 37725782383. The reversal of 37725782331 is 13328752773.

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

It is not a de Polignac number, because 37725782331 - 2³ = 37725782323 is a prime.

It is a super-2 number, since 2×37725782331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37725782231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244451 + ... + 2261196.

It is an arithmetic number, because the mean of its divisors is an integer number (6289884608).

Almost surely, 2^37725782331 is an apocalyptic number.

37725782331 is a deficient number, since it is larger than the sum of its proper divisors (12593294533).

37725782331 is a wasteful number, since it uses less digits than its factorization.

37725782331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508441.

The product of its digits is 1481760, while the sum is 48.

The spelling of 37725782331 in words is "thirty-seven billion, seven hundred twenty-five million, seven hundred eighty-two thousand, three hundred thirty-one".