64514128 has 20 divisors (see below), whose sum is σ = 142852960. Its totient is φ = 27648864.

The previous prime is 64514113. The next prime is 64514129. The reversal of 64514128 is 82141546.

It is a self number, because there is not a number n which added to its sum of digits gives 64514128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64514129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287898 + ... + 288121.

It is an arithmetic number, because the mean of its divisors is an integer number (7142648).

Almost surely, 2^64514128 is an apocalyptic number.

It is an amenable number.

64514128 is an abundant number, since it is smaller than the sum of its proper divisors (78338832).

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

64514128 is a wasteful number, since it uses less digits than its factorization.

64514128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576034 (or 576028 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 64514128 is about 8032.0687248056. The cubic root of 64514128 is about 401.0682445941.

The spelling of 64514128 in words is "sixty-four million, five hundred fourteen thousand, one hundred twenty-eight".