63468505 has 8 divisors (see below), whose sum is σ = 78220872. Its totient is φ = 49402368.

The previous prime is 63468499. The next prime is 63468529. The reversal of 63468505 is 50586436.

It can be written as a sum of positive squares in 4 ways, for example, as 26050816 + 37417689 = 5104^2 + 6117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63468505 is a prime.

It is a super-2 number, since 2×63468505² = 8056502253870050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171352 + ... + 171721.

It is an arithmetic number, because the mean of its divisors is an integer number (9777609).

Almost surely, 2^63468505 is an apocalyptic number.

It is an amenable number.

63468505 is a deficient number, since it is larger than the sum of its proper divisors (14752367).

63468505 is a wasteful number, since it uses less digits than its factorization.

63468505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343115.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 63468505 is about 7966.7123080980. The cubic root of 63468505 is about 398.8896393501.

The spelling of 63468505 in words is "sixty-three million, four hundred sixty-eight thousand, five hundred five".