72411473 has 2 divisors, whose sum is σ = 72411474. Its totient is φ = 72411472.

The previous prime is 72411461. The next prime is 72411491. The reversal of 72411473 is 37411427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65399569 + 7011904 = 8087^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 72411473 - 2⁴ = 72411457 is a prime.

It is not a weakly prime, because it can be changed into another prime (72411673) 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, 36205736 + 36205737.

It is an arithmetic number, because the mean of its divisors is an integer number (36205737).

Almost surely, 2^72411473 is an apocalyptic number.

It is an amenable number.

72411473 is a deficient number, since it is larger than the sum of its proper divisors (1).

72411473 is an equidigital number, since it uses as much as digits as its factorization.

72411473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 72411473 is about 8509.4931106383. The cubic root of 72411473 is about 416.8077581560.

The spelling of 72411473 in words is "seventy-two million, four hundred eleven thousand, four hundred seventy-three".