66097074 has 8 divisors (see below), whose sum is σ = 132194160. Its totient is φ = 22032356.

The previous prime is 66097069. The next prime is 66097111. The reversal of 66097074 is 47079066.

It is a sphenic number, since it is the product of 3 distinct primes.

66097074 is an admirable number.

It is a super-2 number, since 2×66097074² = 8737646382722952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508084 + ... + 5508095.

It is an arithmetic number, because the mean of its divisors is an integer number (16524270).

Almost surely, 2^66097074 is an apocalyptic number.

66097074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66097074 is a wasteful number, since it uses less digits than its factorization.

66097074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016184.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 66097074 is about 8130.0107011000. The cubic root of 66097074 is about 404.3220359799.

The spelling of 66097074 in words is "sixty-six million, ninety-seven thousand, seventy-four".