64533634 has 8 divisors (see below), whose sum is σ = 105600528. Its totient is φ = 29333460.

The previous prime is 64533619. The next prime is 64533641. The reversal of 64533634 is 43633546.

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 64533634.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466652 + ... + 1466695.

It is an arithmetic number, because the mean of its divisors is an integer number (13200066).

Almost surely, 2^64533634 is an apocalyptic number.

64533634 is a deficient number, since it is larger than the sum of its proper divisors (41066894).

64533634 is a wasteful number, since it uses less digits than its factorization.

64533634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933360.

The product of its digits is 77760, while the sum is 34.

The square root of 64533634 is about 8033.2828905747. The cubic root of 64533634 is about 401.1086618334.

The spelling of 64533634 in words is "sixty-four million, five hundred thirty-three thousand, six hundred thirty-four".