63217372 has 6 divisors (see below), whose sum is σ = 110630408. Its totient is φ = 31608684.

The previous prime is 63217369. The next prime is 63217403. The reversal of 63217372 is 27371236.

It is a super-2 number, since 2×63217372² = 7992872245172768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7902168 + ... + 7902175.

Almost surely, 2^63217372 is an apocalyptic number.

It is an amenable number.

63217372 is a deficient number, since it is larger than the sum of its proper divisors (47413036).

63217372 is a wasteful number, since it uses less digits than its factorization.

63217372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804347 (or 15804345 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 63217372 is about 7950.9352908950. The cubic root of 63217372 is about 398.3628333554.

The spelling of 63217372 in words is "sixty-three million, two hundred seventeen thousand, three hundred seventy-two".