65328693 has 8 divisors (see below), whose sum is σ = 87333888. Its totient is φ = 43437984.

The previous prime is 65328691. The next prime is 65328709. The reversal of 65328693 is 39682356.

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

It is not a de Polignac number, because 65328693 - 2¹ = 65328691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65328691) 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, 27280 + ... + 29577.

It is an arithmetic number, because the mean of its divisors is an integer number (10916736).

Almost surely, 2^65328693 is an apocalyptic number.

It is an amenable number.

65328693 is a deficient number, since it is larger than the sum of its proper divisors (22005195).

65328693 is a wasteful number, since it uses less digits than its factorization.

65328693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57243.

The product of its digits is 233280, while the sum is 42.

The square root of 65328693 is about 8082.6167173756. The cubic root of 65328693 is about 402.7491722587.

It can be divided in two parts, 6532 and 8693, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 65328693 in words is "sixty-five million, three hundred twenty-eight thousand, six hundred ninety-three".