63457029 has 6 divisors (see below), whose sum is σ = 91660166. Its totient is φ = 42304680.

The previous prime is 63457021. The next prime is 63457057. The reversal of 63457029 is 92075436.

63457029 is a `hidden beast` number, since 63 + 4 + 570 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62964225 + 492804 = 7935^2 + 702^2 .

It is not a de Polignac number, because 63457029 - 2³ = 63457021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63456984 and 63457002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63457021) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3525382 + ... + 3525399.

Almost surely, 2^63457029 is an apocalyptic number.

It is an amenable number.

63457029 is a deficient number, since it is larger than the sum of its proper divisors (28203137).

63457029 is a wasteful number, since it uses less digits than its factorization.

63457029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050787 (or 7050784 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 63457029 is about 7965.9920286177. The cubic root of 63457029 is about 398.8655962785.

The spelling of 63457029 in words is "sixty-three million, four hundred fifty-seven thousand, twenty-nine".