66727098 has 32 divisors (see below), whose sum is σ = 149123520. Its totient is φ = 22116240.

The previous prime is 66727079. The next prime is 66727121. The reversal of 66727098 is 89072766.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6361 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (4660110).

Almost surely, 2^66727098 is an apocalyptic number.

66727098 is an abundant number, since it is smaller than the sum of its proper divisors (82396422).

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

66727098 is a wasteful number, since it uses less digits than its factorization.

66727098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019 (or 7013 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 66727098 is about 8168.6656193040. The cubic root of 66727098 is about 405.6026145625.

The spelling of 66727098 in words is "sixty-six million, seven hundred twenty-seven thousand, ninety-eight".