64836936 has 40 divisors (see below), whose sum is σ = 181605270. Its totient is φ = 21612096.

The previous prime is 64836917. The next prime is 64836943. The reversal of 64836936 is 63963846.

It can be written as a sum of positive squares in only one way, i.e., 55800900 + 9036036 = 7470^2 + 3006^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 64836891 and 64836900.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49381 + ... + 50676.

Almost surely, 2^64836936 is an apocalyptic number.

It is an amenable number.

64836936 is an abundant number, since it is smaller than the sum of its proper divisors (116768334).

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

64836936 is a wasteful number, since it uses less digits than its factorization.

64836936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100075 (or 100062 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 64836936 is about 8052.1385979130. The cubic root of 64836936 is about 401.7360709103.

The spelling of 64836936 in words is "sixty-four million, eight hundred thirty-six thousand, nine hundred thirty-six".