66427592 has 32 divisors (see below), whose sum is σ = 155286720. Its totient is φ = 25880640.

The previous prime is 66427589. The next prime is 66427609. The reversal of 66427592 is 29572466.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53303 + ... + 54534.

It is an arithmetic number, because the mean of its divisors is an integer number (4852710).

Almost surely, 2^66427592 is an apocalyptic number.

It is an amenable number.

66427592 is an abundant number, since it is smaller than the sum of its proper divisors (88859128).

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

66427592 is a wasteful number, since it uses less digits than its factorization.

66427592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107861 (or 107857 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 66427592 is about 8150.3123866512. The cubic root of 66427592 is about 404.9948523453.

The spelling of 66427592 in words is "sixty-six million, four hundred twenty-seven thousand, five hundred ninety-two".