65328671 has 8 divisors (see below), whose sum is σ = 72179424. Its totient is φ = 58812160.

The previous prime is 65328667. The next prime is 65328691. The reversal of 65328671 is 17682356.

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 65328671 - 2² = 65328667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65328611) 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, 83150 + ... + 83931.

It is an arithmetic number, because the mean of its divisors is an integer number (9022428).

Almost surely, 2^65328671 is an apocalyptic number.

65328671 is a deficient number, since it is larger than the sum of its proper divisors (6850753).

65328671 is a wasteful number, since it uses less digits than its factorization.

65328671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167121.

The product of its digits is 60480, while the sum is 38.

The square root of 65328671 is about 8082.6153564301. The cubic root of 65328671 is about 402.7491270489.

The spelling of 65328671 in words is "sixty-five million, three hundred twenty-eight thousand, six hundred seventy-one".