66725930327347 has 8 divisors (see below), whose sum is σ = 67393176624576. Its totient is φ = 66061295562432.

The previous prime is 66725930327317. The next prime is 66725930327383. The reversal of 66725930327347 is 74372303952766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66725930327347 - 2¹⁵ = 66725930294579 is a prime.

It is a super-2 number, since 2×66725930327347² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66725930327317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652831723 + ... + 652933924.

It is an arithmetic number, because the mean of its divisors is an integer number (8424147078072).

Almost surely, 2^{66725930327347} is an apocalyptic number.

66725930327347 is a deficient number, since it is larger than the sum of its proper divisors (667246297229).

66725930327347 is a wasteful number, since it uses less digits than its factorization.

66725930327347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305766157.

The product of its (nonzero) digits is 240045120, while the sum is 64.

The spelling of 66725930327347 in words is "sixty-six trillion, seven hundred twenty-five billion, nine hundred thirty million, three hundred twenty-seven thousand, three hundred forty-seven".