63451712 has 28 divisors (see below), whose sum is σ = 127983996. Its totient is φ = 31203840.

The previous prime is 63451679. The next prime is 63451763. The reversal of 63451712 is 21715436.

It can be written as a sum of positive squares in 2 ways, for example, as 19149376 + 44302336 = 4376^2 + 6656^2 .

It is a super-2 number, since 2×63451712² = 8052239511461888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223 + ... + 12030.

It is an arithmetic number, because the mean of its divisors is an integer number (4570857).

Almost surely, 2^63451712 is an apocalyptic number.

It is an amenable number.

63451712 is an abundant number, since it is smaller than the sum of its proper divisors (64532284).

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

63451712 is a wasteful number, since it uses less digits than its factorization.

63451712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326 (or 16316 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 63451712 is about 7965.6582904365. The cubic root of 63451712 is about 398.8544557863.

The spelling of 63451712 in words is "sixty-three million, four hundred fifty-one thousand, seven hundred twelve".