474728393 has 2 divisors, whose sum is σ = 474728394. Its totient is φ = 474728392.

The previous prime is 474728369. The next prime is 474728407. The reversal of 474728393 is 393827474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474716944 + 11449 = 21788^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 474728393 - 2²⁶ = 407619529 is a prime.

It is not a weakly prime, because it can be changed into another prime (474728323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237364196 + 237364197.

It is an arithmetic number, because the mean of its divisors is an integer number (237364197).

Almost surely, 2^474728393 is an apocalyptic number.

It is an amenable number.

474728393 is a deficient number, since it is larger than the sum of its proper divisors (1).

474728393 is an equidigital number, since it uses as much as digits as its factorization.

474728393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 47.

The square root of 474728393 is about 21788.2627347845. The cubic root of 474728393 is about 780.0966311359.

The spelling of 474728393 in words is "four hundred seventy-four million, seven hundred twenty-eight thousand, three hundred ninety-three".