73019973 has 16 divisors (see below), whose sum is σ = 108233216. Its totient is φ = 43485120.

The previous prime is 73019959. The next prime is 73020011. The reversal of 73019973 is 37991037.

It is not a de Polignac number, because 73019973 - 2⁴ = 73019957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73019953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28990 + ... + 31407.

It is an arithmetic number, because the mean of its divisors is an integer number (6764576).

Almost surely, 2^73019973 is an apocalyptic number.

It is an amenable number.

73019973 is a deficient number, since it is larger than the sum of its proper divisors (35213243).

73019973 is a wasteful number, since it uses less digits than its factorization.

73019973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60444.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 73019973 is about 8545.1724967961. The cubic root of 73019973 is about 417.9720321176.

The spelling of 73019973 in words is "seventy-three million, nineteen thousand, nine hundred seventy-three".