73242873 has 72 divisors (see below), whose sum is σ = 125483904. Its totient is φ = 42625440.

The previous prime is 73242839. The next prime is 73242901. The reversal of 73242873 is 37824237.

It is not a de Polignac number, because 73242873 - 2⁶ = 73242809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73242823) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1381915 + ... + 1381967.

It is an arithmetic number, because the mean of its divisors is an integer number (1742832).

Almost surely, 2^73242873 is an apocalyptic number.

It is an amenable number.

73242873 is a deficient number, since it is larger than the sum of its proper divisors (52241031).

73242873 is a wasteful number, since it uses less digits than its factorization.

73242873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 114 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 73242873 is about 8558.2050103979. The cubic root of 73242873 is about 418.3968991023.

The spelling of 73242873 in words is "seventy-three million, two hundred forty-two thousand, eight hundred seventy-three".