66732045 has 16 divisors (see below), whose sum is σ = 110453760. Its totient is φ = 34362944.

The previous prime is 66732041. The next prime is 66732049. The reversal of 66732045 is 54023766.

It is an interprime number because it is at equal distance from previous prime (66732041) and next prime (66732049).

It is a cyclic number.

It is not a de Polignac number, because 66732045 - 2² = 66732041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66731997 and 66732015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66732041) 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, 76269 + ... + 77138.

It is an arithmetic number, because the mean of its divisors is an integer number (6903360).

Almost surely, 2^66732045 is an apocalyptic number.

It is an amenable number.

66732045 is a deficient number, since it is larger than the sum of its proper divisors (43721715).

66732045 is a wasteful number, since it uses less digits than its factorization.

66732045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153444.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 66732045 is about 8168.9684171259. The cubic root of 66732045 is about 405.6126378094.

The spelling of 66732045 in words is "sixty-six million, seven hundred thirty-two thousand, forty-five".