72367619 has 2 divisors, whose sum is σ = 72367620. Its totient is φ = 72367618.

The previous prime is 72367577. The next prime is 72367621. The reversal of 72367619 is 91676327.

It is a strong prime.

It is an emirp because it is prime and its reverse (91676327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72367619 - 2¹² = 72363523 is a prime.

It is a super-2 number, since 2×72367619² = 10474144559458322, which contains 22 as substring.

Together with 72367621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72367679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36183809 + 36183810.

It is an arithmetic number, because the mean of its divisors is an integer number (36183810).

Almost surely, 2^72367619 is an apocalyptic number.

72367619 is a deficient number, since it is larger than the sum of its proper divisors (1).

72367619 is an equidigital number, since it uses as much as digits as its factorization.

72367619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 72367619 is about 8506.9159511541. The cubic root of 72367619 is about 416.7235984785.

The spelling of 72367619 in words is "seventy-two million, three hundred sixty-seven thousand, six hundred nineteen".