37794221236 has 12 divisors (see below), whose sum is σ = 66622661028. Its totient is φ = 18759175232.

The previous prime is 37794221233. The next prime is 37794221273. The reversal of 37794221236 is 63212249773.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8930250000 + 28863971236 = 94500^2 + 169894^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37794221233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34483231 + ... + 34484326.

It is an arithmetic number, because the mean of its divisors is an integer number (5551888419).

Almost surely, 2^37794221236 is an apocalyptic number.

It is an amenable number.

37794221236 is a deficient number, since it is larger than the sum of its proper divisors (28828439792).

37794221236 is a wasteful number, since it uses less digits than its factorization.

37794221236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68967698 (or 68967696 counting only the distinct ones).

The product of its digits is 762048, while the sum is 46.

The spelling of 37794221236 in words is "thirty-seven billion, seven hundred ninety-four million, two hundred twenty-one thousand, two hundred thirty-six".