64299480 has 128 divisors (see below), whose sum is σ = 225953280. Its totient is φ = 14330880.

The previous prime is 64299479. The next prime is 64299481. The reversal of 64299480 is 8499246.

64299480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64299479) and next prime (64299481).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64299481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33507 + ... + 35373.

It is an arithmetic number, because the mean of its divisors is an integer number (1765260).

Almost surely, 2^64299480 is an apocalyptic number.

64299480 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 64299480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112976640).

64299480 is an abundant number, since it is smaller than the sum of its proper divisors (161653800).

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

64299480 is a wasteful number, since it uses less digits than its factorization.

64299480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 64299480 is about 8018.6956545314. The cubic root of 64299480 is about 400.6229460087.

The spelling of 64299480 in words is "sixty-four million, two hundred ninety-nine thousand, four hundred eighty".