63137380 has 24 divisors (see below), whose sum is σ = 139567680. Its totient is φ = 23925600.

The previous prime is 63137377. The next prime is 63137407. The reversal of 63137380 is 8373136.

63137380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 82696 + ... + 83455.

It is an arithmetic number, because the mean of its divisors is an integer number (5815320).

Almost surely, 2^63137380 is an apocalyptic number.

It is an amenable number.

63137380 is an abundant number, since it is smaller than the sum of its proper divisors (76430300).

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

63137380 is a wasteful number, since it uses less digits than its factorization.

63137380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166179 (or 166177 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 63137380 is about 7945.9033470084. The cubic root of 63137380 is about 398.1947398463.

The spelling of 63137380 in words is "sixty-three million, one hundred thirty-seven thousand, three hundred eighty".