37949378716072 has 8 divisors (see below), whose sum is σ = 71155085092650. Its totient is φ = 18974689358032.

The previous prime is 37949378716057. The next prime is 37949378716079. The reversal of 37949378716072 is 27061787394973.

It can be written as a sum of positive squares in only one way, i.e., 37947004492996 + 2374223076 = 6160114^2 + 48726^2 .

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

It is a super-2 number, since 2×37949378716072² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37949378715986 and 37949378716004.

It is not an unprimeable number, because it can be changed into a prime (37949378716079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371836169747 + ... + 2371836169762.

Almost surely, 2^{37949378716072} is an apocalyptic number.

It is an amenable number.

37949378716072 is a deficient number, since it is larger than the sum of its proper divisors (33205706376578).

37949378716072 is a wasteful number, since it uses less digits than its factorization.

37949378716072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743672339515 (or 4743672339511 counting only the distinct ones).

The product of its (nonzero) digits is 672126336, while the sum is 73.

The spelling of 37949378716072 in words is "thirty-seven trillion, nine hundred forty-nine billion, three hundred seventy-eight million, seven hundred sixteen thousand, seventy-two".