72194027 has 2 divisors, whose sum is σ = 72194028. Its totient is φ = 72194026.

The previous prime is 72193973. The next prime is 72194051. The reversal of 72194027 is 72049127.

It is a strong prime.

It is an emirp because it is prime and its reverse (72049127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72194027 - 2¹⁴ = 72177643 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72193984 and 72194002.

It is not a weakly prime, because it can be changed into another prime (72194327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36097013 + 36097014.

It is an arithmetic number, because the mean of its divisors is an integer number (36097014).

Almost surely, 2^72194027 is an apocalyptic number.

72194027 is a deficient number, since it is larger than the sum of its proper divisors (1).

72194027 is an equidigital number, since it uses as much as digits as its factorization.

72194027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 72194027 is about 8496.7068326499. The cubic root of 72194027 is about 416.3901261192.

The spelling of 72194027 in words is "seventy-two million, one hundred ninety-four thousand, twenty-seven".