32640370037 has 4 divisors (see below), whose sum is σ = 35607676416. Its totient is φ = 29673063660.

The previous prime is 32640370003. The next prime is 32640370057. The reversal of 32640370037 is 73007304623.

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 not a de Polignac number, because 32640370037 - 2⁶ = 32640369973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32640369979 and 32640370006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640370057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483653173 + ... + 1483653194.

It is an arithmetic number, because the mean of its divisors is an integer number (8901919104).

Almost surely, 2^32640370037 is an apocalyptic number.

It is an amenable number.

32640370037 is a deficient number, since it is larger than the sum of its proper divisors (2967306379).

32640370037 is a wasteful number, since it uses less digits than its factorization.

32640370037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967306378.

The product of its (nonzero) digits is 63504, while the sum is 35.

The spelling of 32640370037 in words is "thirty-two billion, six hundred forty million, three hundred seventy thousand, thirty-seven".