63427450 has 12 divisors (see below), whose sum is σ = 117975150. Its totient is φ = 25370960.

The previous prime is 63427423. The next prime is 63427477. The reversal of 63427450 is 5472436.

It is an interprime number because it is at equal distance from previous prime (63427423) and next prime (63427477).

It can be written as a sum of positive squares in 3 ways, for example, as 56505289 + 6922161 = 7517^2 + 2631^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 634225 + ... + 634324.

Almost surely, 2^63427450 is an apocalyptic number.

63427450 is a deficient number, since it is larger than the sum of its proper divisors (54547700).

63427450 is a wasteful number, since it uses less digits than its factorization.

63427450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268561 (or 1268556 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 63427450 is about 7964.1352324028. The cubic root of 63427450 is about 398.8036127112.

Adding to 63427450 its reverse (5472436), we get a palindrome (68899886).

The spelling of 63427450 in words is "sixty-three million, four hundred twenty-seven thousand, four hundred fifty".