72212395 has 4 divisors (see below), whose sum is σ = 86654880. Its totient is φ = 57769912.

The previous prime is 72212389. The next prime is 72212411. The reversal of 72212395 is 59321227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59321227 = 7 ⋅8474461.

It is a cyclic number.

It is not a de Polignac number, because 72212395 - 2⁹ = 72211883 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7221235 + ... + 7221244.

It is an arithmetic number, because the mean of its divisors is an integer number (21663720).

Almost surely, 2^72212395 is an apocalyptic number.

72212395 is a deficient number, since it is larger than the sum of its proper divisors (14442485).

72212395 is a wasteful number, since it uses less digits than its factorization.

72212395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14442484.

The product of its digits is 7560, while the sum is 31.

The square root of 72212395 is about 8497.7876532660. The cubic root of 72212395 is about 416.4254365440.

The spelling of 72212395 in words is "seventy-two million, two hundred twelve thousand, three hundred ninety-five".