328760073 has 16 divisors (see below), whose sum is σ = 487368000. Its totient is φ = 219031200.

The previous prime is 328760011. The next prime is 328760077. The reversal of 328760073 is 370067823.

It is not a de Polignac number, because 328760073 - 2⁶ = 328760009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328760077) 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, 53773 + ... + 59573.

It is an arithmetic number, because the mean of its divisors is an integer number (30460500).

Almost surely, 2^328760073 is an apocalyptic number.

It is an amenable number.

328760073 is a deficient number, since it is larger than the sum of its proper divisors (158607927).

328760073 is a wasteful number, since it uses less digits than its factorization.

328760073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 328760073 is about 18131.7421391327. The cubic root of 328760073 is about 690.1757397352.

The spelling of 328760073 in words is "three hundred twenty-eight million, seven hundred sixty thousand, seventy-three".