72219607 has 2 divisors, whose sum is σ = 72219608. Its totient is φ = 72219606.

The previous prime is 72219593. The next prime is 72219611. The reversal of 72219607 is 70691227.

It is a strong prime.

It is an emirp because it is prime and its reverse (70691227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72219607 - 2⁷ = 72219479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72219107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36109803 + 36109804.

It is an arithmetic number, because the mean of its divisors is an integer number (36109804).

Almost surely, 2^72219607 is an apocalyptic number.

72219607 is a deficient number, since it is larger than the sum of its proper divisors (1).

72219607 is an equidigital number, since it uses as much as digits as its factorization.

72219607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 72219607 is about 8498.2119884126. The cubic root of 72219607 is about 416.4392991700.

The spelling of 72219607 in words is "seventy-two million, two hundred nineteen thousand, six hundred seven".