64134700 has 36 divisors (see below), whose sum is σ = 159055792. Its totient is φ = 21988800.

The previous prime is 64134673. The next prime is 64134757. The reversal of 64134700 is 743146.

It is a super-2 number, since 2×64134700² = 8226519488180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45111 + ... + 46510.

Almost surely, 2^64134700 is an apocalyptic number.

It is an amenable number.

64134700 is an abundant number, since it is smaller than the sum of its proper divisors (94921092).

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

64134700 is a wasteful number, since it uses less digits than its factorization.

64134700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91642 (or 91635 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 64134700 is about 8008.4143249460. The cubic root of 64134700 is about 400.2804283539.

Adding to 64134700 its reverse (743146), we get a palindrome (64877846).

The spelling of 64134700 in words is "sixty-four million, one hundred thirty-four thousand, seven hundred".