72342273 has 8 divisors (see below), whose sum is σ = 96556000. Its totient is φ = 48178368.

The previous prime is 72342247. The next prime is 72342299. The reversal of 72342273 is 37224327.

It is an interprime number because it is at equal distance from previous prime (72342247) and next prime (72342299).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72342273 - 2⁵ = 72342241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72342273.

It is not an unprimeable number, because it can be changed into a prime (72342203) 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 7 ways as a sum of consecutive naturals, for example, 8923 + ... + 14976.

It is an arithmetic number, because the mean of its divisors is an integer number (12069500).

Almost surely, 2^72342273 is an apocalyptic number.

It is an amenable number.

72342273 is a deficient number, since it is larger than the sum of its proper divisors (24213727).

72342273 is a wasteful number, since it uses less digits than its factorization.

72342273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24911.

The product of its digits is 14112, while the sum is 30.

The square root of 72342273 is about 8505.4260916194. The cubic root of 72342273 is about 416.6749417734.

The spelling of 72342273 in words is "seventy-two million, three hundred forty-two thousand, two hundred seventy-three".