64474764 has 24 divisors (see below), whose sum is σ = 151933488. Its totient is φ = 21278400.

The previous prime is 64474763. The next prime is 64474769. The reversal of 64474764 is 46747446.

It is not an unprimeable number, because it can be changed into a prime (64474763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25387 + ... + 27810.

It is an arithmetic number, because the mean of its divisors is an integer number (6330562).

Almost surely, 2^64474764 is an apocalyptic number.

It is an amenable number.

64474764 is an abundant number, since it is smaller than the sum of its proper divisors (87458724).

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

64474764 is a wasteful number, since it uses less digits than its factorization.

64474764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53305 (or 53303 counting only the distinct ones).

The product of its digits is 451584, while the sum is 42.

The square root of 64474764 is about 8029.6179236624. The cubic root of 64474764 is about 400.9866559408.

It can be divided in two parts, 6447 and 4764, that added together give a palindrome (11211).

The spelling of 64474764 in words is "sixty-four million, four hundred seventy-four thousand, seven hundred sixty-four".