64735468 has 36 divisors (see below), whose sum is σ = 134865192. Its totient is φ = 27095040.

The previous prime is 64735441. The next prime is 64735469. The reversal of 64735468 is 86453746.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (64735469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4588 + ... + 12268.

Almost surely, 2^64735468 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 64735468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67432596).

64735468 is an abundant number, since it is smaller than the sum of its proper divisors (70129724).

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

64735468 is a wasteful number, since it uses less digits than its factorization.

64735468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742 (or 7733 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 64735468 is about 8045.8354445017. The cubic root of 64735468 is about 401.5263929028.

The spelling of 64735468 in words is "sixty-four million, seven hundred thirty-five thousand, four hundred sixty-eight".