36680641 has 4 divisors (see below), whose sum is σ = 36692784. Its totient is φ = 36668500.

The previous prime is 36680639. The next prime is 36680681. The reversal of 36680641 is 14608663.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 36680641 - 2¹ = 36680639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36680597 and 36680606.

It is not an unprimeable number, because it can be changed into a prime (36680681) 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, 2406 + ... + 8896.

It is an arithmetic number, because the mean of its divisors is an integer number (9173196).

Almost surely, 2^36680641 is an apocalyptic number.

It is an amenable number.

36680641 is a deficient number, since it is larger than the sum of its proper divisors (12143).

36680641 is an equidigital number, since it uses as much as digits as its factorization.

36680641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 36680641 is about 6056.4544908717. The cubic root of 36680641 is about 332.2606972803.

The spelling of 36680641 in words is "thirty-six million, six hundred eighty thousand, six hundred forty-one".