47404717 has 4 divisors (see below), whose sum is σ = 48413376. Its totient is φ = 46396060.

The previous prime is 47404691. The next prime is 47404739. The reversal of 47404717 is 71740474.

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 47404717 - 2¹¹ = 47402669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47404117) 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, 504259 + ... + 504352.

It is an arithmetic number, because the mean of its divisors is an integer number (12103344).

Almost surely, 2^47404717 is an apocalyptic number.

47404717 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

47404717 is a deficient number, since it is larger than the sum of its proper divisors (1008659).

47404717 is a wasteful number, since it uses less digits than its factorization.

47404717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008658.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 47404717 is about 6885.1083506362. The cubic root of 47404717 is about 361.9155022911.

The spelling of 47404717 in words is "forty-seven million, four hundred four thousand, seven hundred seventeen".