37928638472 has 8 divisors (see below), whose sum is σ = 71116197150. Its totient is φ = 18964319232.

The previous prime is 37928638471. The next prime is 37928638513. The reversal of 37928638472 is 27483682973.

It can be written as a sum of positive squares in only one way, i.e., 26799654436 + 11128984036 = 163706^2 + 105494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (37928638471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2370539897 + ... + 2370539912.

Almost surely, 2^37928638472 is an apocalyptic number.

It is an amenable number.

37928638472 is a deficient number, since it is larger than the sum of its proper divisors (33187558678).

37928638472 is a wasteful number, since it uses less digits than its factorization.

37928638472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741079815 (or 4741079811 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 59.

The spelling of 37928638472 in words is "thirty-seven billion, nine hundred twenty-eight million, six hundred thirty-eight thousand, four hundred seventy-two".