72070000819 has 2 divisors, whose sum is σ = 72070000820. Its totient is φ = 72070000818.

The previous prime is 72070000817. The next prime is 72070000853. The reversal of 72070000819 is 91800007027.

It is an a-pointer prime, because the next prime (72070000853) can be obtained adding 72070000819 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72070000819 - 2¹ = 72070000817 is a prime.

It is a super-2 number, since 2×72070000819² (a number of 23 digits) contains 22 as substring.

Together with 72070000817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72070000817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36035000409 + 36035000410.

It is an arithmetic number, because the mean of its divisors is an integer number (36035000410).

Almost surely, 2^72070000819 is an apocalyptic number.

72070000819 is a deficient number, since it is larger than the sum of its proper divisors (1).

72070000819 is an equidigital number, since it uses as much as digits as its factorization.

72070000819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 72070000819 in words is "seventy-two billion, seventy million, eight hundred nineteen", and thus it is an aban number.