47691473 has 8 divisors (see below), whose sum is σ = 48206400. Its totient is φ = 47179440.

The previous prime is 47691461. The next prime is 47691491. The reversal of 47691473 is 37419674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47691473 - 2¹⁶ = 47625937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47691473.

It is not an unprimeable number, because it can be changed into a prime (47691373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48836 + ... + 49802.

It is an arithmetic number, because the mean of its divisors is an integer number (6025800).

Almost surely, 2^47691473 is an apocalyptic number.

It is an amenable number.

47691473 is a deficient number, since it is larger than the sum of its proper divisors (514927).

47691473 is a wasteful number, since it uses less digits than its factorization.

47691473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its digits is 127008, while the sum is 41.

The square root of 47691473 is about 6905.9013169897. The cubic root of 47691473 is about 362.6437904392.

The spelling of 47691473 in words is "forty-seven million, six hundred ninety-one thousand, four hundred seventy-three".