64330629 has 16 divisors (see below), whose sum is σ = 93809664. Its totient is φ = 38889200.

The previous prime is 64330619. The next prime is 64330633. The reversal of 64330629 is 92603346.

It is a cyclic number.

It is not a de Polignac number, because 64330629 - 2⁵ = 64330597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 64330629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64330619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11962 + ... + 16484.

It is an arithmetic number, because the mean of its divisors is an integer number (5863104).

Almost surely, 2^64330629 is an apocalyptic number.

It is an amenable number.

64330629 is a deficient number, since it is larger than the sum of its proper divisors (29479035).

64330629 is a wasteful number, since it uses less digits than its factorization.

64330629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 64330629 is about 8020.6376928521. The cubic root of 64330629 is about 400.6876276598.

The spelling of 64330629 in words is "sixty-four million, three hundred thirty thousand, six hundred twenty-nine".