64812328 has 16 divisors (see below), whose sum is σ = 138883680. Its totient is φ = 27776688.

The previous prime is 64812323. The next prime is 64812329. The reversal of 64812328 is 82321846.

It is a junction number, because it is equal to n+sod(n) for n = 64812293 and 64812302.

It is not an unprimeable number, because it can be changed into a prime (64812323) 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, 578626 + ... + 578737.

It is an arithmetic number, because the mean of its divisors is an integer number (8680230).

Almost surely, 2^64812328 is an apocalyptic number.

It is an amenable number.

64812328 is an abundant number, since it is smaller than the sum of its proper divisors (74071352).

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

64812328 is a wasteful number, since it uses less digits than its factorization.

64812328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157376 (or 1157372 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 64812328 is about 8050.6104116396. The cubic root of 64812328 is about 401.6852399447.

The spelling of 64812328 in words is "sixty-four million, eight hundred twelve thousand, three hundred twenty-eight".