72470611 has 2 divisors, whose sum is σ = 72470612. Its totient is φ = 72470610.

The previous prime is 72470599. The next prime is 72470621. The reversal of 72470611 is 11607427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72470611 - 2¹¹ = 72468563 is a prime.

It is a Chen prime.

It is equal to p_4254814 and since 72470611 and 4254814 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72470611.

It is not a weakly prime, because it can be changed into another prime (72470621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36235305 + 36235306.

It is an arithmetic number, because the mean of its divisors is an integer number (36235306).

Almost surely, 2^72470611 is an apocalyptic number.

72470611 is a deficient number, since it is larger than the sum of its proper divisors (1).

72470611 is an equidigital number, since it uses as much as digits as its factorization.

72470611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 72470611 is about 8512.9672265315. The cubic root of 72470611 is about 416.9211953824.

The spelling of 72470611 in words is "seventy-two million, four hundred seventy thousand, six hundred eleven".