64789514 has 4 divisors (see below), whose sum is σ = 97184274. Its totient is φ = 32394756.

The previous prime is 64789507. The next prime is 64789523. The reversal of 64789514 is 41598746.

64789514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60450625 + 4338889 = 7775^2 + 2083^2 .

It is a super-2 number, since 2×64789514² = 8395362248712392, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16197377 + ... + 16197380.

Almost surely, 2^64789514 is an apocalyptic number.

64789514 is a deficient number, since it is larger than the sum of its proper divisors (32394760).

64789514 is a wasteful number, since it uses less digits than its factorization.

64789514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32394759.

The product of its digits is 241920, while the sum is 44.

The square root of 64789514 is about 8049.1933757365. The cubic root of 64789514 is about 401.6381032203.

The spelling of 64789514 in words is "sixty-four million, seven hundred eighty-nine thousand, five hundred fourteen".