66747401474732 has 48 divisors (see below), whose sum is σ = 133200842342400. Its totient is φ = 28969606258560.

The previous prime is 66747401474723. The next prime is 66747401474737. The reversal of 66747401474732 is 23747410474766.

It is not an unprimeable number, because it can be changed into a prime (66747401474737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57381932 + ... + 58533587.

It is an arithmetic number, because the mean of its divisors is an integer number (2775017548800).

Almost surely, 2^{66747401474732} is an apocalyptic number.

It is an amenable number.

66747401474732 is a deficient number, since it is larger than the sum of its proper divisors (66453440867668).

66747401474732 is a wasteful number, since it uses less digits than its factorization.

66747401474732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115916126 (or 115916124 counting only the distinct ones).

The product of its (nonzero) digits is 132765696, while the sum is 62.

The spelling of 66747401474732 in words is "sixty-six trillion, seven hundred forty-seven billion, four hundred one million, four hundred seventy-four thousand, seven hundred thirty-two".