66700703734 has 8 divisors (see below), whose sum is σ = 114344063568. Its totient is φ = 28586015880.

The previous prime is 66700703717. The next prime is 66700703749. The reversal of 66700703734 is 43730700766.

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

It is a super-2 number, since 2×66700703734² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 2382167977 + ... + 2382168004.

It is an arithmetic number, because the mean of its divisors is an integer number (14293007946).

Almost surely, 2^66700703734 is an apocalyptic number.

66700703734 is a deficient number, since it is larger than the sum of its proper divisors (47643359834).

66700703734 is a wasteful number, since it uses less digits than its factorization.

66700703734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764335990.

The product of its (nonzero) digits is 444528, while the sum is 43.

The spelling of 66700703734 in words is "sixty-six billion, seven hundred million, seven hundred three thousand, seven hundred thirty-four".