63700980 has 144 divisors (see below), whose sum is σ = 212357376. Its totient is φ = 14219520.

The previous prime is 63700979. The next prime is 63700991. The reversal of 63700980 is 8900736.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137950 + ... + 138410.

It is an arithmetic number, because the mean of its divisors is an integer number (1474704).

Almost surely, 2^63700980 is an apocalyptic number.

63700980 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 63700980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106178688).

63700980 is an abundant number, since it is smaller than the sum of its proper divisors (148656396).

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

63700980 is a wasteful number, since it uses less digits than its factorization.

63700980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 63700980 is about 7981.2893695192. The cubic root of 63700980 is about 399.3760689478.

The spelling of 63700980 in words is "sixty-three million, seven hundred thousand, nine hundred eighty".