64304360 has 64 divisors (see below), whose sum is σ = 153403200. Its totient is φ = 24192000.

The previous prime is 64304347. The next prime is 64304381. The reversal of 64304360 is 6340346.

It is a Cunningham number, because it is equal to 8019²-1.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160160 + ... + 160560.

It is an arithmetic number, because the mean of its divisors is an integer number (2396925).

Almost surely, 2^64304360 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 64304360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76701600).

64304360 is an abundant number, since it is smaller than the sum of its proper divisors (89098840).

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

64304360 is a wasteful number, since it uses less digits than its factorization.

64304360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 64304360 is about 8018.9999376481. Note that the first 4 decimals coincide. The cubic root of 64304360 is about 400.6330808264.

The spelling of 64304360 in words is "sixty-four million, three hundred four thousand, three hundred sixty".