72213107 has 2 divisors, whose sum is σ = 72213108. Its totient is φ = 72213106.

The previous prime is 72213067. The next prime is 72213131. The reversal of 72213107 is 70131227.

It is a strong prime.

It is an emirp because it is prime and its reverse (70131227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72213107 - 2¹⁴ = 72196723 is a prime.

It is not a weakly prime, because it can be changed into another prime (72213157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36106553 + 36106554.

It is an arithmetic number, because the mean of its divisors is an integer number (36106554).

Almost surely, 2^72213107 is an apocalyptic number.

72213107 is a deficient number, since it is larger than the sum of its proper divisors (1).

72213107 is an equidigital number, since it uses as much as digits as its factorization.

72213107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 72213107 is about 8497.8295464195. The cubic root of 72213107 is about 416.4268051638.

The spelling of 72213107 in words is "seventy-two million, two hundred thirteen thousand, one hundred seven".