63364620 has 192 divisors, whose sum is σ = 211599360. Its totient is φ = 13996800.

The previous prime is 63364603. The next prime is 63364621. The reversal of 63364620 is 2646336.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (63364621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 388659 + ... + 388821.

It is an arithmetic number, because the mean of its divisors is an integer number (1102080).

Almost surely, 2^63364620 is an apocalyptic number.

63364620 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 63364620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105799680).

63364620 is an abundant number, since it is smaller than the sum of its proper divisors (148234740).

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

63364620 is a wasteful number, since it uses less digits than its factorization.

63364620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 63364620 is about 7960.1896962321. The cubic root of 63364620 is about 398.6718868357.

The spelling of 63364620 in words is "sixty-three million, three hundred sixty-four thousand, six hundred twenty".