64303636 has 12 divisors (see below), whose sum is σ = 112621600. Its totient is φ = 32126040.

The previous prime is 64303633. The next prime is 64303691. The reversal of 64303636 is 63630346.

It is a junction number, because it is equal to n+sod(n) for n = 64303598 and 64303607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64303633) 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, 150 + ... + 11341.

Almost surely, 2^64303636 is an apocalyptic number.

It is an amenable number.

64303636 is a deficient number, since it is larger than the sum of its proper divisors (48317964).

64303636 is a wasteful number, since it uses less digits than its factorization.

64303636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894 (or 12892 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 64303636 is about 8018.9547947348. The cubic root of 64303636 is about 400.6315772506.

The spelling of 64303636 in words is "sixty-four million, three hundred three thousand, six hundred thirty-six".