64229376 has 52 divisors (see below), whose sum is σ = 171290192. Its totient is φ = 21405696.

The previous prime is 64229371. The next prime is 64229377. The reversal of 64229376 is 67392246.

It is not an unprimeable number, because it can be changed into a prime (64229371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9675 + ... + 14901.

Almost surely, 2^64229376 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 64229376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85645096).

64229376 is an abundant number, since it is smaller than the sum of its proper divisors (107060816).

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

64229376 is an equidigital number, since it uses as much as digits as its factorization.

64229376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254 (or 5232 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 64229376 is about 8014.3231779109. The cubic root of 64229376 is about 400.4772969093.

The spelling of 64229376 in words is "sixty-four million, two hundred twenty-nine thousand, three hundred seventy-six".