66750627 has 8 divisors (see below), whose sum is σ = 91406416. Its totient is φ = 43297632.

The previous prime is 66750613. The next prime is 66750637. The reversal of 66750627 is 72605766.

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

It is not a de Polignac number, because 66750627 - 2⁴ = 66750611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66750637) 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, 300568 + ... + 300789.

It is an arithmetic number, because the mean of its divisors is an integer number (11425802).

Almost surely, 2^66750627 is an apocalyptic number.

66750627 is a deficient number, since it is larger than the sum of its proper divisors (24655789).

66750627 is a wasteful number, since it uses less digits than its factorization.

66750627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601397.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 66750627 is about 8170.1056908708. The cubic root of 66750627 is about 405.6502828647.

The spelling of 66750627 in words is "sixty-six million, seven hundred fifty thousand, six hundred twenty-seven".