36672545257237 has 4 divisors (see below), whose sum is σ = 36715039516800. Its totient is φ = 36630050997676.

The previous prime is 36672545257217. The next prime is 36672545257261. The reversal of 36672545257237 is 73275254527663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36672545257237 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 (36672545257207) 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, 21247128487 + ... + 21247130212.

It is an arithmetic number, because the mean of its divisors is an integer number (9178759879200).

Almost surely, 2^{36672545257237} is an apocalyptic number.

It is an amenable number.

36672545257237 is a deficient number, since it is larger than the sum of its proper divisors (42494259563).

36672545257237 is an equidigital number, since it uses as much as digits as its factorization.

36672545257237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42494259562.

The product of its digits is 444528000, while the sum is 64.

The spelling of 36672545257237 in words is "thirty-six trillion, six hundred seventy-two billion, five hundred forty-five million, two hundred fifty-seven thousand, two hundred thirty-seven".