66674902 has 8 divisors (see below), whose sum is σ = 114299856. Its totient is φ = 28574952.

The previous prime is 66674843. The next prime is 66674911. The reversal of 66674902 is 20947666.

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, 2381233 + ... + 2381260.

It is an arithmetic number, because the mean of its divisors is an integer number (14287482).

Almost surely, 2^66674902 is an apocalyptic number.

66674902 is a deficient number, since it is larger than the sum of its proper divisors (47624954).

66674902 is a wasteful number, since it uses less digits than its factorization.

66674902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762502.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 66674902 is about 8165.4701028171. The cubic root of 66674902 is about 405.4968286711.

It can be divided in two parts, 66674 and 902, that added together give a palindrome (67576).

The spelling of 66674902 in words is "sixty-six million, six hundred seventy-four thousand, nine hundred two".