66793446 has 24 divisors (see below), whose sum is σ = 144877824. Its totient is φ = 22240080.

The previous prime is 66793429. The next prime is 66793451. The reversal of 66793446 is 64439766.

It is a super-2 number, since 2×66793446² = 8922728857109832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23515 + ... + 26201.

It is an arithmetic number, because the mean of its divisors is an integer number (6036576).

Almost surely, 2^66793446 is an apocalyptic number.

66793446 is an abundant number, since it is smaller than the sum of its proper divisors (78084378).

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

66793446 is a wasteful number, since it uses less digits than its factorization.

66793446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4073 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 66793446 is about 8172.7257386994. The cubic root of 66793446 is about 405.7370027828.

The spelling of 66793446 in words is "sixty-six million, seven hundred ninety-three thousand, four hundred forty-six".