74475473 has 2 divisors, whose sum is σ = 74475474. Its totient is φ = 74475472.

The previous prime is 74475469. The next prime is 74475491. The reversal of 74475473 is 37457447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74252689 + 222784 = 8617^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 74475473 - 2² = 74475469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74475473.

It is not a weakly prime, because it can be changed into another prime (74475673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37237736 + 37237737.

It is an arithmetic number, because the mean of its divisors is an integer number (37237737).

Almost surely, 2^74475473 is an apocalyptic number.

It is an amenable number.

74475473 is a deficient number, since it is larger than the sum of its proper divisors (1).

74475473 is an equidigital number, since it uses as much as digits as its factorization.

74475473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 41.

The square root of 74475473 is about 8629.9173228948. The cubic root of 74475473 is about 420.7309135938.

The spelling of 74475473 in words is "seventy-four million, four hundred seventy-five thousand, four hundred seventy-three".