74263575473 has 2 divisors, whose sum is σ = 74263575474. Its totient is φ = 74263575472.

The previous prime is 74263575433. The next prime is 74263575481. The reversal of 74263575473 is 37457536247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72173897104 + 2089678369 = 268652^2 + 45713^2 .

It is a cyclic number.

It is not a de Polignac number, because 74263575473 - 2¹² = 74263571377 is a prime.

It is not a weakly prime, because it can be changed into another prime (74263575413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37131787736 + 37131787737.

It is an arithmetic number, because the mean of its divisors is an integer number (37131787737).

Almost surely, 2^74263575473 is an apocalyptic number.

It is an amenable number.

74263575473 is a deficient number, since it is larger than the sum of its proper divisors (1).

74263575473 is an equidigital number, since it uses as much as digits as its factorization.

74263575473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14817600, while the sum is 53.

The spelling of 74263575473 in words is "seventy-four billion, two hundred sixty-three million, five hundred seventy-five thousand, four hundred seventy-three".