64134464 has 14 divisors (see below), whose sum is σ = 127266954. Its totient is φ = 32067200.

The previous prime is 64134463. The next prime is 64134467. The reversal of 64134464 is 46443146.

It can be written as a sum of positive squares in only one way, i.e., 64128064 + 6400 = 8008^2 + 80^2 .

It is a super-2 number, since 2×64134464² = 8226458945134592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 64134464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64134463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500987 + ... + 501114.

Almost surely, 2^64134464 is an apocalyptic number.

64134464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64134464 is a deficient number, since it is larger than the sum of its proper divisors (63132490).

64134464 is a wasteful number, since it uses less digits than its factorization.

64134464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002113 (or 1002103 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 64134464 is about 8008.3995904300. The cubic root of 64134464 is about 400.2799373753.

The spelling of 64134464 in words is "sixty-four million, one hundred thirty-four thousand, four hundred sixty-four".