66710502 has 12 divisors (see below), whose sum is σ = 144539460. Its totient is φ = 22236828.

The previous prime is 66710473. The next prime is 66710551. The reversal of 66710502 is 20501766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1853052 + ... + 1853087.

It is an arithmetic number, because the mean of its divisors is an integer number (12044955).

Almost surely, 2^66710502 is an apocalyptic number.

66710502 is an abundant number, since it is smaller than the sum of its proper divisors (77828958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66710502 is a wasteful number, since it uses less digits than its factorization.

66710502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706147 (or 3706144 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 66710502 is about 8167.6497231456. The cubic root of 66710502 is about 405.5689853507.

The spelling of 66710502 in words is "sixty-six million, seven hundred ten thousand, five hundred two".