47071493 has 8 divisors (see below), whose sum is σ = 56627520. Its totient is φ = 38223360.

The previous prime is 47071489. The next prime is 47071499. The reversal of 47071493 is 39417074.

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

It is not a de Polignac number, because 47071493 - 2² = 47071489 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 (47071499) 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, 176828 + ... + 177093.

It is an arithmetic number, because the mean of its divisors is an integer number (7078440).

Almost surely, 2^47071493 is an apocalyptic number.

It is an amenable number.

47071493 is a deficient number, since it is larger than the sum of its proper divisors (9556027).

47071493 is a wasteful number, since it uses less digits than its factorization.

47071493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353947.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 47071493 is about 6860.8667819744. The cubic root of 47071493 is about 361.0654981511.

The spelling of 47071493 in words is "forty-seven million, seventy-one thousand, four hundred ninety-three".