63706080 has 48 divisors (see below), whose sum is σ = 200675664. Its totient is φ = 16988160.

The previous prime is 63706073. The next prime is 63706117. The reversal of 63706080 is 8060736.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65881 + ... + 66840.

It is an arithmetic number, because the mean of its divisors is an integer number (4180743).

Almost surely, 2^63706080 is an apocalyptic number.

63706080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63706080 is an abundant number, since it is smaller than the sum of its proper divisors (136969584).

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

63706080 is a wasteful number, since it uses less digits than its factorization.

63706080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132739 (or 132731 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 63706080 is about 7981.6088603740. The cubic root of 63706080 is about 399.3867268874.

The spelling of 63706080 in words is "sixty-three million, seven hundred six thousand, eighty".