63455740 has 24 divisors (see below), whose sum is σ = 136860192. Its totient is φ = 24696000.

The previous prime is 63455731. The next prime is 63455759. The reversal of 63455740 is 4755436.

It is a happy number.

63455740 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 = 63455696 and 63455705.

It is a congruent number.

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, 42136 + ... + 43615.

It is an arithmetic number, because the mean of its divisors is an integer number (5702508).

Almost surely, 2^63455740 is an apocalyptic number.

It is an amenable number.

63455740 is an abundant number, since it is smaller than the sum of its proper divisors (73404452).

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

63455740 is a wasteful number, since it uses less digits than its factorization.

63455740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85797 (or 85795 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 63455740 is about 7965.9111217738. The cubic root of 63455740 is about 398.8628955467.

The spelling of 63455740 in words is "sixty-three million, four hundred fifty-five thousand, seven hundred forty".