64955630 has 8 divisors (see below), whose sum is σ = 116920152. Its totient is φ = 25982248.

The previous prime is 64955599. The next prime is 64955689. The reversal of 64955630 is 3655946.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3247772 + ... + 3247791.

It is an arithmetic number, because the mean of its divisors is an integer number (14615019).

Almost surely, 2^64955630 is an apocalyptic number.

64955630 is a deficient number, since it is larger than the sum of its proper divisors (51964522).

64955630 is a wasteful number, since it uses less digits than its factorization.

64955630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495570.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 64955630 is about 8059.5055679613. The cubic root of 64955630 is about 401.9810680589.

The spelling of 64955630 in words is "sixty-four million, nine hundred fifty-five thousand, six hundred thirty".