64329069 has 8 divisors (see below), whose sum is σ = 98025280. Its totient is φ = 36759456.

The previous prime is 64329043. The next prime is 64329073. The reversal of 64329069 is 96092346.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64329069 - 2¹² = 64324973 is a prime.

It is a super-2 number, since 2×64329069² = 8276458236813522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64324069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531624 + ... + 1531665.

It is an arithmetic number, because the mean of its divisors is an integer number (12253160).

Almost surely, 2^64329069 is an apocalyptic number.

It is an amenable number.

64329069 is a deficient number, since it is larger than the sum of its proper divisors (33696211).

64329069 is a wasteful number, since it uses less digits than its factorization.

64329069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063299.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 64329069 is about 8020.5404431372. The cubic root of 64329069 is about 400.6843887788.

The spelling of 64329069 in words is "sixty-four million, three hundred twenty-nine thousand, sixty-nine".