66701902 has 8 divisors (see below), whose sum is σ = 100099656. Its totient is φ = 33335352.

The previous prime is 66701893. The next prime is 66701911. The reversal of 66701902 is 20910766.

It is an interprime number because it is at equal distance from previous prime (66701893) and next prime (66701911).

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

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, 1408 + ... + 11635.

It is an arithmetic number, because the mean of its divisors is an integer number (12512457).

Almost surely, 2^66701902 is an apocalyptic number.

66701902 is a deficient number, since it is larger than the sum of its proper divisors (33397754).

66701902 is a wasteful number, since it uses less digits than its factorization.

66701902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15602.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 66701902 is about 8167.1232389379. The cubic root of 66701902 is about 405.5515565948.

The spelling of 66701902 in words is "sixty-six million, seven hundred one thousand, nine hundred two".