72340067 has 4 divisors (see below), whose sum is σ = 72715080. Its totient is φ = 71965056.

The previous prime is 72340057. The next prime is 72340091. The reversal of 72340067 is 76004327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72340067 - 2²⁶ = 5231203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72340057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187217 + ... + 187602.

It is an arithmetic number, because the mean of its divisors is an integer number (18178770).

Almost surely, 2^72340067 is an apocalyptic number.

72340067 is a deficient number, since it is larger than the sum of its proper divisors (375013).

72340067 is a wasteful number, since it uses less digits than its factorization.

72340067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375012.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72340067 is about 8505.2964087091. The cubic root of 72340067 is about 416.6707063786.

The spelling of 72340067 in words is "seventy-two million, three hundred forty thousand, sixty-seven".