63147340 has 12 divisors (see below), whose sum is σ = 132609456. Its totient is φ = 25258928.

The previous prime is 63147281. The next prime is 63147353. The reversal of 63147340 is 4374136.

63147340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63147299 and 63147308.

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 3 ways as a sum of consecutive naturals, for example, 1578664 + ... + 1578703.

It is an arithmetic number, because the mean of its divisors is an integer number (11050788).

Almost surely, 2^63147340 is an apocalyptic number.

It is an amenable number.

63147340 is an abundant number, since it is smaller than the sum of its proper divisors (69462116).

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

63147340 is a wasteful number, since it uses less digits than its factorization.

63147340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157376 (or 3157374 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 63147340 is about 7946.5300603471. The cubic root of 63147340 is about 398.2156773167.

The spelling of 63147340 in words is "sixty-three million, one hundred forty-seven thousand, three hundred forty".