72340068 has 36 divisors (see below), whose sum is σ = 178155600. Its totient is φ = 22842864.

The previous prime is 72340057. The next prime is 72340091. The reversal of 72340068 is 86004327.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4018 + ... + 12681.

Almost surely, 2^72340068 is an apocalyptic number.

It is an amenable number.

72340068 is an abundant number, since it is smaller than the sum of its proper divisors (105815532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72340068 is a wasteful number, since it uses less digits than its factorization.

72340068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16744 (or 16723 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 72340068 is about 8505.2964674960. The cubic root of 72340068 is about 416.6707082986.

The spelling of 72340068 in words is "seventy-two million, three hundred forty thousand, sixty-eight".