72457152347 has 2 divisors, whose sum is σ = 72457152348. Its totient is φ = 72457152346.

The previous prime is 72457152343. The next prime is 72457152367. The reversal of 72457152347 is 74325175427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72457152347 - 2² = 72457152343 is a prime.

It is not a weakly prime, because it can be changed into another prime (72457152343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36228576173 + 36228576174.

It is an arithmetic number, because the mean of its divisors is an integer number (36228576174).

Almost surely, 2^72457152347 is an apocalyptic number.

72457152347 is a deficient number, since it is larger than the sum of its proper divisors (1).

72457152347 is an equidigital number, since it uses as much as digits as its factorization.

72457152347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646400, while the sum is 47.

The spelling of 72457152347 in words is "seventy-two billion, four hundred fifty-seven million, one hundred fifty-two thousand, three hundred forty-seven".