73308328 has 32 divisors (see below), whose sum is σ = 143496360. Its totient is φ = 35077120.

The previous prime is 73308271. The next prime is 73308329. The reversal of 73308328 is 82380337.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65254084 + 8054244 = 8078^2 + 2838^2 .

It is a super-2 number, since 2×73308328² = 10748221908311168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73308293 and 73308302.

It is not an unprimeable number, because it can be changed into a prime (73308329) 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, 15276 + ... + 19492.

Almost surely, 2^73308328 is an apocalyptic number.

It is an amenable number.

73308328 is a deficient number, since it is larger than the sum of its proper divisors (70188032).

73308328 is a wasteful number, since it uses less digits than its factorization.

73308328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 73308328 is about 8562.0282643775. The cubic root of 73308328 is about 418.5214983244.

The spelling of 73308328 in words is "seventy-three million, three hundred eight thousand, three hundred twenty-eight".