66274102 has 4 divisors (see below), whose sum is σ = 99411156. Its totient is φ = 33137050.

The previous prime is 66274099. The next prime is 66274133. The reversal of 66274102 is 20147266.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16568524 + ... + 16568527.

It is an arithmetic number, because the mean of its divisors is an integer number (24852789).

Almost surely, 2^66274102 is an apocalyptic number.

66274102 is a deficient number, since it is larger than the sum of its proper divisors (33137054).

66274102 is a wasteful number, since it uses less digits than its factorization.

66274102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33137053.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 66274102 is about 8140.8907375053. The cubic root of 66274102 is about 404.6826798579.

The spelling of 66274102 in words is "sixty-six million, two hundred seventy-four thousand, one hundred two".