73020872 has 16 divisors (see below), whose sum is σ = 141331200. Its totient is φ = 35332560.

The previous prime is 73020859. The next prime is 73020881. The reversal of 73020872 is 27802037.

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, 146972 + ... + 147467.

It is an arithmetic number, because the mean of its divisors is an integer number (8833200).

Almost surely, 2^73020872 is an apocalyptic number.

It is an amenable number.

73020872 is a deficient number, since it is larger than the sum of its proper divisors (68310328).

73020872 is a wasteful number, since it uses less digits than its factorization.

73020872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294476 (or 294472 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 73020872 is about 8545.2250994342. The cubic root of 73020872 is about 417.9737474260.

The spelling of 73020872 in words is "seventy-three million, twenty thousand, eight hundred seventy-two".