64429 has 4 divisors (see below), whose sum is σ = 67840. Its totient is φ = 61020.

The previous prime is 64403. The next prime is 64433. The reversal of 64429 is 92446.

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 64429 - 2⁷ = 64301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (16960).

2⁶⁴⁴²⁹ is an apocalyptic number.

It is an amenable number.

64429 is a deficient number, since it is larger than the sum of its proper divisors (3411).

64429 is a wasteful number, since it uses less digits than its factorization.

64429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its digits is 1728, while the sum is 25.

The square root of 64429 is about 253.8286823824. The cubic root of 64429 is about 40.0891760431.

The spelling of 64429 in words is "sixty-four thousand, four hundred twenty-nine".