66434702 has 4 divisors (see below), whose sum is σ = 99652056. Its totient is φ = 33217350.

The previous prime is 66434701. The next prime is 66434717. The reversal of 66434702 is 20743466.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20743466 = 2 ⋅10371733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66434701) by changing a digit.

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 as a sum of consecutive naturals, namely, 16608674 + ... + 16608677.

It is an arithmetic number, because the mean of its divisors is an integer number (24913014).

Almost surely, 2^66434702 is an apocalyptic number.

66434702 is a deficient number, since it is larger than the sum of its proper divisors (33217354).

66434702 is a wasteful number, since it uses less digits than its factorization.

66434702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33217353.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 66434702 is about 8150.7485545807. The cubic root of 66434702 is about 405.0093012140.

The spelling of 66434702 in words is "sixty-six million, four hundred thirty-four thousand, seven hundred two".