66796842 has 32 divisors (see below), whose sum is σ = 161661312. Its totient is φ = 17961984.

The previous prime is 66796841. The next prime is 66796843. The reversal of 66796842 is 24869766.

It is an interprime number because it is at equal distance from previous prime (66796841) and next prime (66796843).

It is a junction number, because it is equal to n+sod(n) for n = 66796791 and 66796800.

It is not an unprimeable number, because it can be changed into a prime (66796841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46063 + ... + 47490.

It is an arithmetic number, because the mean of its divisors is an integer number (5051916).

Almost surely, 2^66796842 is an apocalyptic number.

66796842 is an abundant number, since it is smaller than the sum of its proper divisors (94864470).

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

66796842 is a wasteful number, since it uses less digits than its factorization.

66796842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93582.

The product of its digits is 870912, while the sum is 48.

The square root of 66796842 is about 8172.9335002801. The cubic root of 66796842 is about 405.7438790039.

The spelling of 66796842 in words is "sixty-six million, seven hundred ninety-six thousand, eight hundred forty-two".