72711347 has 8 divisors (see below), whose sum is σ = 76834560. Its totient is φ = 68617800.

The previous prime is 72711341. The next prime is 72711361. The reversal of 72711347 is 74311727.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72711347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72711341) 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, 2279 + ... + 12272.

It is an arithmetic number, because the mean of its divisors is an integer number (9604320).

Almost surely, 2^72711347 is an apocalyptic number.

72711347 is a deficient number, since it is larger than the sum of its proper divisors (4123213).

72711347 is a wasteful number, since it uses less digits than its factorization.

72711347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14833.

The product of its digits is 8232, while the sum is 32.

The square root of 72711347 is about 8527.0948745748. The cubic root of 72711347 is about 417.3823340824.

The spelling of 72711347 in words is "seventy-two million, seven hundred eleven thousand, three hundred forty-seven".