64302464 has 32 divisors (see below), whose sum is σ = 129448200. Its totient is φ = 31813632.

The previous prime is 64302443. The next prime is 64302467. The reversal of 64302464 is 46420346.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64302467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827 + ... + 15005.

Almost surely, 2^64302464 is an apocalyptic number.

64302464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64302464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64724100).

64302464 is an abundant number, since it is smaller than the sum of its proper divisors (65145736).

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

64302464 is an equidigital number, since it uses as much as digits as its factorization.

64302464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5278 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 64302464 is about 8018.8817175464. The cubic root of 64302464 is about 400.6291432614.

The spelling of 64302464 in words is "sixty-four million, three hundred two thousand, four hundred sixty-four".