37478205673 has 2 divisors, whose sum is σ = 37478205674. Its totient is φ = 37478205672.

The previous prime is 37478205617. The next prime is 37478205689. The reversal of 37478205673 is 37650287473.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19681845264 + 17796360409 = 140292^2 + 133403^2 .

It is a cyclic number.

It is not a de Polignac number, because 37478205673 - 2²¹ = 37476108521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37478205673.

It is not a weakly prime, because it can be changed into another prime (37478205613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18739102836 + 18739102837.

It is an arithmetic number, because the mean of its divisors is an integer number (18739102837).

Almost surely, 2^37478205673 is an apocalyptic number.

It is an amenable number.

37478205673 is a deficient number, since it is larger than the sum of its proper divisors (1).

37478205673 is an equidigital number, since it uses as much as digits as its factorization.

37478205673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 37478205673 in words is "thirty-seven billion, four hundred seventy-eight million, two hundred five thousand, six hundred seventy-three".