37221760672 has 12 divisors (see below), whose sum is σ = 73280341386. Its totient is φ = 18610880320.

The previous prime is 37221760649. The next prime is 37221760673. The reversal of 37221760672 is 27606712273.

37221760672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36847105936 + 374654736 = 191956^2 + 19356^2 .

It is not an unprimeable number, because it can be changed into a prime (37221760673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581589979 + ... + 581590042.

Almost surely, 2^37221760672 is an apocalyptic number.

37221760672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

37221760672 is a deficient number, since it is larger than the sum of its proper divisors (36058580714).

37221760672 is a wasteful number, since it uses less digits than its factorization.

37221760672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163180031 (or 1163180023 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 37221760672 in words is "thirty-seven billion, two hundred twenty-one million, seven hundred sixty thousand, six hundred seventy-two".