64812480 has 112 divisors (see below), whose sum is σ = 207471264. Its totient is φ = 17141760.

The previous prime is 64812463. The next prime is 64812511. The reversal of 64812480 is 8421846.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 173574 + ... + 173946.

It is an arithmetic number, because the mean of its divisors is an integer number (1852422).

Almost surely, 2^64812480 is an apocalyptic number.

64812480 is a gapful number since it is divisible by the number (60) 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 64812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103735632).

64812480 is an abundant number, since it is smaller than the sum of its proper divisors (142658784).

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

64812480 is a wasteful number, since it uses less digits than its factorization.

64812480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 64812480 is about 8050.6198519120. The cubic root of 64812480 is about 401.6855539596.

The spelling of 64812480 in words is "sixty-four million, eight hundred twelve thousand, four hundred eighty".