64464700 has 18 divisors (see below), whose sum is σ = 139888616. Its totient is φ = 25785840.

The previous prime is 64464679. The next prime is 64464703. The reversal of 64464700 is 746446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64464703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322224 + ... + 322423.

Almost surely, 2^64464700 is an apocalyptic number.

It is an amenable number.

64464700 is an abundant number, since it is smaller than the sum of its proper divisors (75423916).

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

64464700 is a wasteful number, since it uses less digits than its factorization.

64464700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644661 (or 644654 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 64464700 is about 8028.9912193251. The cubic root of 64464700 is about 400.9657912414.

The spelling of 64464700 in words is "sixty-four million, four hundred sixty-four thousand, seven hundred".