72845373 has 16 divisors (see below), whose sum is σ = 104172480. Its totient is φ = 45137664.

The previous prime is 72845371. The next prime is 72845389. The reversal of 72845373 is 37354827.

It is not a de Polignac number, because 72845373 - 2¹ = 72845371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72845371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9036 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (6510780).

Almost surely, 2^72845373 is an apocalyptic number.

It is an amenable number.

72845373 is a deficient number, since it is larger than the sum of its proper divisors (31327107).

72845373 is a wasteful number, since it uses less digits than its factorization.

72845373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24188.

The product of its digits is 141120, while the sum is 39.

The square root of 72845373 is about 8534.9500877275. The cubic root of 72845373 is about 417.6386248881.

The spelling of 72845373 in words is "seventy-two million, eight hundred forty-five thousand, three hundred seventy-three".