66027772 has 6 divisors (see below), whose sum is σ = 115548608. Its totient is φ = 33013884.

The previous prime is 66027769. The next prime is 66027781. The reversal of 66027772 is 27772066.

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, 8253468 + ... + 8253475.

Almost surely, 2^66027772 is an apocalyptic number.

It is an amenable number.

66027772 is a deficient number, since it is larger than the sum of its proper divisors (49520836).

66027772 is a wasteful number, since it uses less digits than its factorization.

66027772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16506947 (or 16506945 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 66027772 is about 8125.7474733098. The cubic root of 66027772 is about 404.1806776074.

The spelling of 66027772 in words is "sixty-six million, twenty-seven thousand, seven hundred seventy-two".