72000026213 has 2 divisors, whose sum is σ = 72000026214. Its totient is φ = 72000026212.

The previous prime is 72000026209. The next prime is 72000026249. The reversal of 72000026213 is 31262000027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71919439684 + 80586529 = 268178^2 + 8977^2 .

It is an emirp because it is prime and its reverse (31262000027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72000026213 - 2² = 72000026209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72000016213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36000013106 + 36000013107.

It is an arithmetic number, because the mean of its divisors is an integer number (36000013107).

Almost surely, 2^72000026213 is an apocalyptic number.

It is an amenable number.

72000026213 is a deficient number, since it is larger than the sum of its proper divisors (1).

72000026213 is an equidigital number, since it uses as much as digits as its factorization.

72000026213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 72000026213 in words is "seventy-two billion, twenty-six thousand, two hundred thirteen".