63450634 has 16 divisors (see below), whose sum is σ = 105268968. Its totient is φ = 28492992.

The previous prime is 63450619. The next prime is 63450649. The reversal of 63450634 is 43605436.

It is an interprime number because it is at equal distance from previous prime (63450619) and next prime (63450649).

It can be written as a sum of positive squares in 4 ways, for example, as 56295009 + 7155625 = 7503^2 + 2675^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63450596 and 63450605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32017 + ... + 33940.

Almost surely, 2^63450634 is an apocalyptic number.

63450634 is a deficient number, since it is larger than the sum of its proper divisors (41818334).

63450634 is a wasteful number, since it uses less digits than its factorization.

63450634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66009.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 63450634 is about 7965.5906246806. The cubic root of 63450634 is about 398.8521970212.

The spelling of 63450634 in words is "sixty-three million, four hundred fifty thousand, six hundred thirty-four".