47293317 has 12 divisors (see below), whose sum is σ = 69136704. Its totient is φ = 31148520.

The previous prime is 47293307. The next prime is 47293349. The reversal of 47293317 is 71339274.

It is not a de Polignac number, because 47293317 - 2⁸ = 47293061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47293307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30909 + ... + 32402.

It is an arithmetic number, because the mean of its divisors is an integer number (5761392).

Almost surely, 2^47293317 is an apocalyptic number.

It is an amenable number.

47293317 is a deficient number, since it is larger than the sum of its proper divisors (21843387).

47293317 is a wasteful number, since it uses less digits than its factorization.

47293317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63400 (or 63397 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 47293317 is about 6877.0136687373. The cubic root of 47293317 is about 361.6317822139.

The spelling of 47293317 in words is "forty-seven million, two hundred ninety-three thousand, three hundred seventeen".