37066673437 has 4 divisors (see below), whose sum is σ = 38344834620. Its totient is φ = 35788512256.

The previous prime is 37066673429. The next prime is 37066673443. The reversal of 37066673437 is 73437666073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73437666073 = 53 ⋅1385616341.

It can be written as a sum of positive squares in 2 ways, for example, as 31083805636 + 5982867801 = 176306^2 + 77349^2 .

It is a cyclic number.

It is not a de Polignac number, because 37066673437 - 2³ = 37066673429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37066673447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639080548 + ... + 639080605.

It is an arithmetic number, because the mean of its divisors is an integer number (9586208655).

Almost surely, 2^37066673437 is an apocalyptic number.

It is an amenable number.

37066673437 is a deficient number, since it is larger than the sum of its proper divisors (1278161183).

37066673437 is a wasteful number, since it uses less digits than its factorization.

37066673437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278161182.

The product of its (nonzero) digits is 8001504, while the sum is 52.

The spelling of 37066673437 in words is "thirty-seven billion, sixty-six million, six hundred seventy-three thousand, four hundred thirty-seven".