72192011 has 2 divisors, whose sum is σ = 72192012. Its totient is φ = 72192010.

The previous prime is 72191993. The next prime is 72192023. The reversal of 72192011 is 11029127.

It is a strong prime.

It is an emirp because it is prime and its reverse (11029127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72192011 - 2⁶ = 72191947 is a prime.

It is not a weakly prime, because it can be changed into another prime (72192041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36096005 + 36096006.

It is an arithmetic number, because the mean of its divisors is an integer number (36096006).

Almost surely, 2^72192011 is an apocalyptic number.

72192011 is a deficient number, since it is larger than the sum of its proper divisors (1).

72192011 is an equidigital number, since it uses as much as digits as its factorization.

72192011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 72192011 is about 8496.5881976238. The cubic root of 72192011 is about 416.3862502200.

The spelling of 72192011 in words is "seventy-two million, one hundred ninety-two thousand, eleven".