63432464 has 20 divisors (see below), whose sum is σ = 123087360. Its totient is φ = 31668000.

The previous prime is 63432463. The next prime is 63432487. The reversal of 63432464 is 46423436.

It is a super-2 number, since 2×63432464² = 8047354978222592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63432464.

It is not an unprimeable number, because it can be changed into a prime (63432461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9377 + ... + 14655.

It is an arithmetic number, because the mean of its divisors is an integer number (6154368).

Almost surely, 2^63432464 is an apocalyptic number.

It is an amenable number.

63432464 is a deficient number, since it is larger than the sum of its proper divisors (59654896).

63432464 is a wasteful number, since it uses less digits than its factorization.

63432464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038 (or 6032 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

The square root of 63432464 is about 7964.4500123988. The cubic root of 63432464 is about 398.8141210354.

Subtracting from 63432464 its reverse (46423436), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 63432464 in words is "sixty-three million, four hundred thirty-two thousand, four hundred sixty-four".