63452729 has 4 divisors (see below), whose sum is σ = 63553920. Its totient is φ = 63351540.

The previous prime is 63452717. The next prime is 63452747. The reversal of 63452729 is 92725436.

63452729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63452729 - 2¹² = 63448633 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63452692 and 63452701.

It is not an unprimeable number, because it can be changed into a prime (63152729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49649 + ... + 50910.

It is an arithmetic number, because the mean of its divisors is an integer number (15888480).

Almost surely, 2^63452729 is an apocalyptic number.

It is an amenable number.

63452729 is a deficient number, since it is larger than the sum of its proper divisors (101191).

63452729 is a wasteful number, since it uses less digits than its factorization.

63452729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101190.

The product of its digits is 90720, while the sum is 38.

The square root of 63452729 is about 7965.7221267127. The cubic root of 63452729 is about 398.8565867128.

The spelling of 63452729 in words is "sixty-three million, four hundred fifty-two thousand, seven hundred twenty-nine".