66472833 has 8 divisors (see below), whose sum is σ = 101291968. Its totient is φ = 37984464.

The previous prime is 66472823. The next prime is 66472837. The reversal of 66472833 is 33827466.

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

It is not a de Polignac number, because 66472833 - 2⁴ = 66472817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66472791 and 66472800.

It is not an unprimeable number, because it can be changed into a prime (66472837) 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, 1582666 + ... + 1582707.

It is an arithmetic number, because the mean of its divisors is an integer number (12661496).

Almost surely, 2^66472833 is an apocalyptic number.

It is an amenable number.

66472833 is a deficient number, since it is larger than the sum of its proper divisors (34819135).

66472833 is a wasteful number, since it uses less digits than its factorization.

66472833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165383.

The product of its digits is 145152, while the sum is 39.

The square root of 66472833 is about 8153.0873293495. The cubic root of 66472833 is about 405.0867730548.

The spelling of 66472833 in words is "sixty-six million, four hundred seventy-two thousand, eight hundred thirty-three".