64906032 has 20 divisors (see below), whose sum is σ = 167674040. Its totient is φ = 21635328.

The previous prime is 64906027. The next prime is 64906043. The reversal of 64906032 is 23060946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676057 + ... + 676152.

It is an arithmetic number, because the mean of its divisors is an integer number (8383702).

Almost surely, 2^64906032 is an apocalyptic number.

It is an amenable number.

64906032 is an abundant number, since it is smaller than the sum of its proper divisors (102768008).

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

64906032 is a wasteful number, since it uses less digits than its factorization.

64906032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352220 (or 1352214 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 64906032 is about 8056.4279926032. The cubic root of 64906032 is about 401.8787287969.

Adding to 64906032 its reverse (23060946), we get a palindrome (87966978).

The spelling of 64906032 in words is "sixty-four million, nine hundred six thousand, thirty-two".