66746124 has 36 divisors (see below), whose sum is σ = 169008840. Its totient is φ = 22210560.

The previous prime is 66746117. The next prime is 66746129. The reversal of 66746124 is 42164766.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (66746129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26479 + ... + 28889.

It is an arithmetic number, because the mean of its divisors is an integer number (4694690).

Almost surely, 2^66746124 is an apocalyptic number.

It is an amenable number.

66746124 is an abundant number, since it is smaller than the sum of its proper divisors (102262716).

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

66746124 is a wasteful number, since it uses less digits than its factorization.

66746124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190 (or 3185 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 66746124 is about 8169.8301083927. The cubic root of 66746124 is about 405.6411609314.

The spelling of 66746124 in words is "sixty-six million, seven hundred forty-six thousand, one hundred twenty-four".