47320617 has 4 divisors (see below), whose sum is σ = 63094160. Its totient is φ = 31547076.

The previous prime is 47320589. The next prime is 47320627. The reversal of 47320617 is 71602374.

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 not a de Polignac number, because 47320617 - 2²⁰ = 46272041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47320627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7886767 + ... + 7886772.

It is an arithmetic number, because the mean of its divisors is an integer number (15773540).

Almost surely, 2^47320617 is an apocalyptic number.

It is an amenable number.

47320617 is a deficient number, since it is larger than the sum of its proper divisors (15773543).

47320617 is a wasteful number, since it uses less digits than its factorization.

47320617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15773542.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 47320617 is about 6878.9982555602. The cubic root of 47320617 is about 361.7013526399.

The spelling of 47320617 in words is "forty-seven million, three hundred twenty thousand, six hundred seventeen".