36640768 has 24 divisors (see below), whose sum is σ = 73267740. Its totient is φ = 18319360.

The previous prime is 36640733. The next prime is 36640781. The reversal of 36640768 is 86704663.

It is a self number, because there is not a number n which added to its sum of digits gives 36640768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898 + ... + 10993.

Almost surely, 2^36640768 is an apocalyptic number.

It is an amenable number.

36640768 is a deficient number, since it is larger than the sum of its proper divisors (36626972).

36640768 is an equidigital number, since it uses as much as digits as its factorization.

36640768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17913 (or 17893 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 36640768 is about 6053.1618184218. The cubic root of 36640768 is about 332.1402610526.

The spelling of 36640768 in words is "thirty-six million, six hundred forty thousand, seven hundred sixty-eight".