64782936 has 64 divisors (see below), whose sum is σ = 181699200. Its totient is φ = 21384864.

The previous prime is 64782931. The next prime is 64782941. The reversal of 64782936 is 63928746.

It is an interprime number because it is at equal distance from previous prime (64782931) and next prime (64782941).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 64782891 and 64782900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64782931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21711 + ... + 24513.

It is an arithmetic number, because the mean of its divisors is an integer number (2839050).

Almost surely, 2^64782936 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 64782936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90849600).

64782936 is an abundant number, since it is smaller than the sum of its proper divisors (116916264).

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

64782936 is a wasteful number, since it uses less digits than its factorization.

64782936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2915 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 64782936 is about 8048.7847529922. The cubic root of 64782936 is about 401.6245101520.

The spelling of 64782936 in words is "sixty-four million, seven hundred eighty-two thousand, nine hundred thirty-six".