72074911 has 2 divisors, whose sum is σ = 72074912. Its totient is φ = 72074910.

The previous prime is 72074897. The next prime is 72074921. The reversal of 72074911 is 11947027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72074911 - 2¹¹ = 72072863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72074921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36037455 + 36037456.

It is an arithmetic number, because the mean of its divisors is an integer number (36037456).

Almost surely, 2^72074911 is an apocalyptic number.

72074911 is a deficient number, since it is larger than the sum of its proper divisors (1).

72074911 is an equidigital number, since it uses as much as digits as its factorization.

72074911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 72074911 is about 8489.6943996825. The cubic root of 72074911 is about 416.1609934531.

The spelling of 72074911 in words is "seventy-two million, seventy-four thousand, nine hundred eleven".