37974016717 has 30 divisors (see below), whose sum is σ = 47751397582. Its totient is φ = 30018136176.

The previous prime is 37974016687. The next prime is 37974016727. The reversal of 37974016717 is 71761047973.

It can be written as a sum of positive squares in only one way, i.e., 26289703881 + 11684312836 = 162141^2 + 108094^2 .

It is a de Polignac number, because none of the positive numbers 2^k-37974016717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37974016727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 34427388 + ... + 34428490.

Almost surely, 2^37974016717 is an apocalyptic number.

It is an amenable number.

37974016717 is a deficient number, since it is larger than the sum of its proper divisors (9777380865).

37974016717 is an frugal number, since it uses more digits than its factorization.

37974016717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 52.

Multiplying 37974016717 by its sum of digits (52), we get a square (1974648869284 = 1405222²).

The spelling of 37974016717 in words is "thirty-seven billion, nine hundred seventy-four million, sixteen thousand, seven hundred seventeen".