37172243072 has 16 divisors (see below), whose sum is σ = 74054078250. Its totient is φ = 18586121472.

The previous prime is 37172243071. The next prime is 37172243099. The reversal of 37172243072 is 27034227173.

It can be written as a sum of positive squares in only one way, i.e., 33027973696 + 4144269376 = 181736^2 + 64376^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (37172243071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145203947 + ... + 145204202.

Almost surely, 2^37172243072 is an apocalyptic number.

37172243072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

37172243072 is a deficient number, since it is larger than the sum of its proper divisors (36881835178).

37172243072 is an equidigital number, since it uses as much as digits as its factorization.

37172243072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290408163 (or 290408151 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 37172243072 in words is "thirty-seven billion, one hundred seventy-two million, two hundred forty-three thousand, seventy-two".