72340049 has 8 divisors (see below), whose sum is σ = 80627040. Its totient is φ = 64501056.

The previous prime is 72340039. The next prime is 72340057. The reversal of 72340049 is 94004327.

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

It is a cyclic number.

It is not a de Polignac number, because 72340049 - 2⁴ = 72340033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72340039) 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, 111659 + ... + 112304.

It is an arithmetic number, because the mean of its divisors is an integer number (10078380).

Almost surely, 2^72340049 is an apocalyptic number.

It is an amenable number.

72340049 is a deficient number, since it is larger than the sum of its proper divisors (8286991).

72340049 is a wasteful number, since it uses less digits than its factorization.

72340049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223999.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 72340049 is about 8505.2953505449. The cubic root of 72340049 is about 416.6706718193.

The spelling of 72340049 in words is "seventy-two million, three hundred forty thousand, forty-nine".