64632814 has 8 divisors (see below), whose sum is σ = 97169400. Its totient is φ = 32243016.

The previous prime is 64632797. The next prime is 64632817. The reversal of 64632814 is 41823646.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64632814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64632817) 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, 35589 + ... + 37360.

It is an arithmetic number, because the mean of its divisors is an integer number (12146175).

Almost surely, 2^64632814 is an apocalyptic number.

64632814 is a deficient number, since it is larger than the sum of its proper divisors (32536586).

64632814 is a wasteful number, since it uses less digits than its factorization.

64632814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73394.

The product of its digits is 27648, while the sum is 34.

The square root of 64632814 is about 8039.4535883977. The cubic root of 64632814 is about 401.3140410135.

The spelling of 64632814 in words is "sixty-four million, six hundred thirty-two thousand, eight hundred fourteen".