72361043 has 2 divisors, whose sum is σ = 72361044. Its totient is φ = 72361042.

The previous prime is 72361007. The next prime is 72361049. The reversal of 72361043 is 34016327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72361043 - 2²⁶ = 5252179 is a prime.

It is a super-2 number, since 2×72361043² = 10472241088095698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72361049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36180521 + 36180522.

It is an arithmetic number, because the mean of its divisors is an integer number (36180522).

Almost surely, 2^72361043 is an apocalyptic number.

72361043 is a deficient number, since it is larger than the sum of its proper divisors (1).

72361043 is an equidigital number, since it uses as much as digits as its factorization.

72361043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 72361043 is about 8506.5294333236. The cubic root of 72361043 is about 416.7109756257.

The spelling of 72361043 in words is "seventy-two million, three hundred sixty-one thousand, forty-three".