66741436 has 6 divisors (see below), whose sum is σ = 116797520. Its totient is φ = 33370716.

The previous prime is 66741413. The next prime is 66741511. The reversal of 66741436 is 63414766.

It is a junction number, because it is equal to n+sod(n) for n = 66741395 and 66741404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8342676 + ... + 8342683.

Almost surely, 2^66741436 is an apocalyptic number.

It is an amenable number.

66741436 is a deficient number, since it is larger than the sum of its proper divisors (50056084).

66741436 is a wasteful number, since it uses less digits than its factorization.

66741436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16685363 (or 16685361 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 66741436 is about 8169.5431940837. The cubic root of 66741436 is about 405.6316637992.

The spelling of 66741436 in words is "sixty-six million, seven hundred forty-one thousand, four hundred thirty-six".