66048572 has 12 divisors (see below), whose sum is σ = 115641960. Its totient is φ = 33008016.

The previous prime is 66048551. The next prime is 66048607. The reversal of 66048572 is 27584066.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13379 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (9636830).

Almost surely, 2^66048572 is an apocalyptic number.

It is an amenable number.

66048572 is a deficient number, since it is larger than the sum of its proper divisors (49593388).

66048572 is a wasteful number, since it uses less digits than its factorization.

66048572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140 (or 8138 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 66048572 is about 8127.0272547839. The cubic root of 66048572 is about 404.2231146770.

The spelling of 66048572 in words is "sixty-six million, forty-eight thousand, five hundred seventy-two".