64316436 has 24 divisors (see below), whose sum is σ = 151402944. Its totient is φ = 21248640.

The previous prime is 64316429. The next prime is 64316437. The reversal of 64316436 is 63461346.

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

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 64316397 and 64316406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64316437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22360 + ... + 25071.

It is an arithmetic number, because the mean of its divisors is an integer number (6308456).

Almost surely, 2^64316436 is an apocalyptic number.

It is an amenable number.

64316436 is an abundant number, since it is smaller than the sum of its proper divisors (87086508).

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

64316436 is a wasteful number, since it uses less digits than its factorization.

64316436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47551 (or 47549 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 64316436 is about 8019.7528640227. The cubic root of 64316436 is about 400.6581581424.

The spelling of 64316436 in words is "sixty-four million, three hundred sixteen thousand, four hundred thirty-six".