73428016 has 20 divisors (see below), whose sum is σ = 142403832. Its totient is φ = 36678656.

The previous prime is 73428013. The next prime is 73428023. The reversal of 73428016 is 61082437.

It is not an unprimeable number, because it can be changed into a prime (73428011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25296 + ... + 28048.

Almost surely, 2^73428016 is an apocalyptic number.

It is an amenable number.

73428016 is a deficient number, since it is larger than the sum of its proper divisors (68975816).

73428016 is a wasteful number, since it uses less digits than its factorization.

73428016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428 (or 4422 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 73428016 is about 8569.0148792029. The cubic root of 73428016 is about 418.7491430591.

The spelling of 73428016 in words is "seventy-three million, four hundred twenty-eight thousand, sixteen".