47704057 has 4 divisors (see below), whose sum is σ = 50510196. Its totient is φ = 44897920.

The previous prime is 47704039. The next prime is 47704061. The reversal of 47704057 is 75040774.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12787776 + 34916281 = 3576^2 + 5909^2 .

It is a cyclic number.

It is not a de Polignac number, because 47704057 - 2¹⁵ = 47671289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47704457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403044 + ... + 1403077.

It is an arithmetic number, because the mean of its divisors is an integer number (12627549).

Almost surely, 2^47704057 is an apocalyptic number.

It is an amenable number.

47704057 is a deficient number, since it is larger than the sum of its proper divisors (2806139).

47704057 is a wasteful number, since it uses less digits than its factorization.

47704057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806138.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 47704057 is about 6906.8123617194. The cubic root of 47704057 is about 362.6756836887.

The spelling of 47704057 in words is "forty-seven million, seven hundred four thousand, fifty-seven".