66741404 has 6 divisors (see below), whose sum is σ = 116797464. Its totient is φ = 33370700.

The previous prime is 66741401. The next prime is 66741413. The reversal of 66741404 is 40414766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66741401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8342672 + ... + 8342679.

It is an arithmetic number, because the mean of its divisors is an integer number (19466244).

Almost surely, 2^66741404 is an apocalyptic number.

It is an amenable number.

66741404 is a deficient number, since it is larger than the sum of its proper divisors (50056060).

66741404 is a wasteful number, since it uses less digits than its factorization.

66741404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16685355 (or 16685353 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 66741404 is about 8169.5412355897. The cubic root of 66741404 is about 405.6315989708.

The spelling of 66741404 in words is "sixty-six million, seven hundred forty-one thousand, four hundred four".