474047993 has 4 divisors (see below), whose sum is σ = 474315648. Its totient is φ = 473780340.

The previous prime is 474047989. The next prime is 474048017. The reversal of 474047993 is 399740474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 474047993 - 2² = 474047989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474047933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131153 + ... + 134718.

It is an arithmetic number, because the mean of its divisors is an integer number (118578912).

Almost surely, 2^474047993 is an apocalyptic number.

It is an amenable number.

474047993 is a deficient number, since it is larger than the sum of its proper divisors (267655).

474047993 is a wasteful number, since it uses less digits than its factorization.

474047993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267654.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 474047993 is about 21772.6432249279. The cubic root of 474047993 is about 779.7237642256.

The spelling of 474047993 in words is "four hundred seventy-four million, forty-seven thousand, nine hundred ninety-three".