73000816 has 20 divisors (see below), whose sum is σ = 161644912. Its totient is φ = 31286016.

The previous prime is 73000783. The next prime is 73000841. The reversal of 73000816 is 61800037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325785 + ... + 326008.

Almost surely, 2^73000816 is an apocalyptic number.

It is an amenable number.

73000816 is an abundant number, since it is smaller than the sum of its proper divisors (88644096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73000816 is a wasteful number, since it uses less digits than its factorization.

73000816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651808 (or 651802 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 73000816 is about 8544.0514979721. The cubic root of 73000816 is about 417.9354768656.

The spelling of 73000816 in words is "seventy-three million, eight hundred sixteen", and thus it is an aban number.