66434622 has 16 divisors (see below), whose sum is σ = 133057920. Its totient is φ = 22113432.

The previous prime is 66434609. The next prime is 66434639. The reversal of 66434622 is 22643466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3058 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (8316120).

Almost surely, 2^66434622 is an apocalyptic number.

66434622 is an abundant number, since it is smaller than the sum of its proper divisors (66623298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66434622 is a wasteful number, since it uses less digits than its factorization.

66434622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15727.

The product of its digits is 41472, while the sum is 33.

The square root of 66434622 is about 8150.7436470545. The cubic root of 66434622 is about 405.0091386446.

The spelling of 66434622 in words is "sixty-six million, four hundred thirty-four thousand, six hundred twenty-two".