63456470 has 96 divisors (see below), whose sum is σ = 148088736. Its totient is φ = 19353600.

The previous prime is 63456469. The next prime is 63456487. The reversal of 63456470 is 7465436.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 63456470.

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, 328694 + ... + 328886.

It is an arithmetic number, because the mean of its divisors is an integer number (1542591).

Almost surely, 2^63456470 is an apocalyptic number.

63456470 is an abundant number, since it is smaller than the sum of its proper divisors (84632266).

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

63456470 is a wasteful number, since it uses less digits than its factorization.

63456470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 63456470 is about 7965.9569418871. The cubic root of 63456470 is about 398.8644250580.

It can be divided in two parts, 63 and 456470, that added together give a cube (456533 = 77³).

The spelling of 63456470 in words is "sixty-three million, four hundred fifty-six thousand, four hundred seventy".