64308480 has 72 divisors (see below), whose sum is σ = 205397472. Its totient is φ = 17147904.

The previous prime is 64308473. The next prime is 64308487. The reversal of 64308480 is 8480346.

It is an interprime number because it is at equal distance from previous prime (64308473) and next prime (64308487).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64308487) 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, 4534 + ... + 12213.

Almost surely, 2^64308480 is an apocalyptic number.

64308480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64308480 is an abundant number, since it is smaller than the sum of its proper divisors (141088992).

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

64308480 is a wasteful number, since it uses less digits than its factorization.

64308480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16771 (or 16757 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 64308480 is about 8019.2568234220. The cubic root of 64308480 is about 400.6416368716.

The spelling of 64308480 in words is "sixty-four million, three hundred eight thousand, four hundred eighty".