64653036 has 48 divisors (see below), whose sum is σ = 173327616. Its totient is φ = 18373824.

The previous prime is 64652999. The next prime is 64653053. The reversal of 64653036 is 63035646.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64652988 and 64653006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14595 + ... + 18501.

It is an arithmetic number, because the mean of its divisors is an integer number (3610992).

Almost surely, 2^64653036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64653036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86663808).

64653036 is an abundant number, since it is smaller than the sum of its proper divisors (108674580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64653036 is a wasteful number, since it uses less digits than its factorization.

64653036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118 (or 4116 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 64653036 is about 8040.7111625776. The cubic root of 64653036 is about 401.3558903767.

The spelling of 64653036 in words is "sixty-four million, six hundred fifty-three thousand, thirty-six".