47703257 has 8 divisors (see below), whose sum is σ = 54935232. Its totient is φ = 40575600.

The previous prime is 47703247. The next prime is 47703269. The reversal of 47703257 is 75230774.

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 47703257 - 2¹⁸ = 47441113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47703217) 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, 25094 + ... + 26927.

It is an arithmetic number, because the mean of its divisors is an integer number (6866904).

Almost surely, 2^47703257 is an apocalyptic number.

It is an amenable number.

47703257 is a deficient number, since it is larger than the sum of its proper divisors (7231975).

47703257 is a wasteful number, since it uses less digits than its factorization.

47703257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52159.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 47703257 is about 6906.7544476404. The cubic root of 47703257 is about 362.6736563128.

The spelling of 47703257 in words is "forty-seven million, seven hundred three thousand, two hundred fifty-seven".