72340127 has 2 divisors, whose sum is σ = 72340128. Its totient is φ = 72340126.

The previous prime is 72340111. The next prime is 72340141. The reversal of 72340127 is 72104327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72340127 - 2⁴ = 72340111 is a prime.

It is a super-2 number, since 2×72340127² = 10466187948752258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72340096 and 72340105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72340157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36170063 + 36170064.

It is an arithmetic number, because the mean of its divisors is an integer number (36170064).

Almost surely, 2^72340127 is an apocalyptic number.

72340127 is a deficient number, since it is larger than the sum of its proper divisors (1).

72340127 is an equidigital number, since it uses as much as digits as its factorization.

72340127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 72340127 is about 8505.2999359223. The cubic root of 72340127 is about 416.6708215763.

The spelling of 72340127 in words is "seventy-two million, three hundred forty thousand, one hundred twenty-seven".