63213470 has 16 divisors (see below), whose sum is σ = 113883840. Its totient is φ = 25263264.

The previous prime is 63213457. The next prime is 63213473. The reversal of 63213470 is 7431236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63213473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14171 + ... + 18089.

It is an arithmetic number, because the mean of its divisors is an integer number (7117740).

Almost surely, 2^63213470 is an apocalyptic number.

63213470 is a deficient number, since it is larger than the sum of its proper divisors (50670370).

63213470 is a wasteful number, since it uses less digits than its factorization.

63213470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 63213470 is about 7950.6899071716. The cubic root of 63213470 is about 398.3546370653.

The spelling of 63213470 in words is "sixty-three million, two hundred thirteen thousand, four hundred seventy".