63247812 has 24 divisors (see below), whose sum is σ = 152339712. Its totient is φ = 20402400.

The previous prime is 63247801. The next prime is 63247813. The reversal of 63247812 is 21874236.

It is not an unprimeable number, because it can be changed into a prime (63247813) 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, 84639 + ... + 85382.

It is an arithmetic number, because the mean of its divisors is an integer number (6347488).

Almost surely, 2^63247812 is an apocalyptic number.

63247812 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

63247812 is an abundant number, since it is smaller than the sum of its proper divisors (89091900).

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

63247812 is a wasteful number, since it uses less digits than its factorization.

63247812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170059 (or 170057 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 63247812 is about 7952.8493007224. The cubic root of 63247812 is about 398.4267620851.

The spelling of 63247812 in words is "sixty-three million, two hundred forty-seven thousand, eight hundred twelve".