63969360 has 320 divisors, whose sum is σ = 254983680. Its totient is φ = 12902400.

The previous prime is 63969359. The next prime is 63969379. The reversal of 63969360 is 6396936.

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

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 505 × 377 × 336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 633310 + ... + 633410.

It is an arithmetic number, because the mean of its divisors is an integer number (796824).

Almost surely, 2^63969360 is an apocalyptic number.

63969360 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 63969360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127491840).

63969360 is an abundant number, since it is smaller than the sum of its proper divisors (191014320).

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

63969360 is a wasteful number, since it uses less digits than its factorization.

63969360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 42.

The square root of 63969360 is about 7998.0847707436. The cubic root of 63969360 is about 399.9361564772.

The spelling of 63969360 in words is "sixty-three million, nine hundred sixty-nine thousand, three hundred sixty".