73215842 has 16 divisors (see below), whose sum is σ = 128432832. Its totient is φ = 30648240.

The previous prime is 73215841. The next prime is 73215847. The reversal of 73215842 is 24851237.

It is a junction number, because it is equal to n+sod(n) for n = 73215799 and 73215808.

It is not an unprimeable number, because it can be changed into a prime (73215841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60209 + ... + 61412.

It is an arithmetic number, because the mean of its divisors is an integer number (8027052).

Almost surely, 2^73215842 is an apocalyptic number.

73215842 is a deficient number, since it is larger than the sum of its proper divisors (55216990).

73215842 is a wasteful number, since it uses less digits than its factorization.

73215842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121673.

The product of its digits is 13440, while the sum is 32.

The square root of 73215842 is about 8556.6256199509. The cubic root of 73215842 is about 418.3454216105.

The spelling of 73215842 in words is "seventy-three million, two hundred fifteen thousand, eight hundred forty-two".