37147973 has 2 divisors, whose sum is σ = 37147974. Its totient is φ = 37147972.

The previous prime is 37147883. The next prime is 37147987. The reversal of 37147973 is 37974173.

It is a happy number.

37147973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26604964 + 10543009 = 5158^2 + 3247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37147973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37147973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37147273) 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, 18573986 + 18573987.

It is an arithmetic number, because the mean of its divisors is an integer number (18573987).

Almost surely, 2^37147973 is an apocalyptic number.

It is an amenable number.

37147973 is a deficient number, since it is larger than the sum of its proper divisors (1).

37147973 is an equidigital number, since it uses as much as digits as its factorization.

37147973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 41.

The square root of 37147973 is about 6094.9136991429. The cubic root of 37147973 is about 333.6658094908.

The spelling of 37147973 in words is "thirty-seven million, one hundred forty-seven thousand, nine hundred seventy-three".