72563011 has 2 divisors, whose sum is σ = 72563012. Its totient is φ = 72563010.

The previous prime is 72562981. The next prime is 72563027. The reversal of 72563011 is 11036527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72563011 - 2¹³ = 72554819 is a prime.

It is a super-2 number, since 2×72563011² = 10530781130772242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72563311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36281505 + 36281506.

It is an arithmetic number, because the mean of its divisors is an integer number (36281506).

Almost surely, 2^72563011 is an apocalyptic number.

72563011 is a deficient number, since it is larger than the sum of its proper divisors (1).

72563011 is an equidigital number, since it uses as much as digits as its factorization.

72563011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 72563011 is about 8518.3925126751. The cubic root of 72563011 is about 417.0983115818.

Adding to 72563011 its reverse (11036527), we get a palindrome (83599538).

It can be divided in two parts, 725 and 63011, that added together give a palindrome (63736).

The spelling of 72563011 in words is "seventy-two million, five hundred sixty-three thousand, eleven".