47947045 has 8 divisors (see below), whose sum is σ = 57582720. Its totient is φ = 38326800.

The previous prime is 47947043. The next prime is 47947061. The reversal of 47947045 is 54074974.

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

It is not a de Polignac number, because 47947045 - 2¹ = 47947043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47946989 and 47947007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47947043) 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, 4720 + ... + 10870.

It is an arithmetic number, because the mean of its divisors is an integer number (7197840).

Almost surely, 2^47947045 is an apocalyptic number.

It is an amenable number.

47947045 is a deficient number, since it is larger than the sum of its proper divisors (9635675).

47947045 is a wasteful number, since it uses less digits than its factorization.

47947045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 47947045 is about 6924.3804777034. The cubic root of 47947045 is about 363.2904226928.

It can be divided in two parts, 479 and 47045, that added together give a square (47524 = 218²).

The spelling of 47947045 in words is "forty-seven million, nine hundred forty-seven thousand, forty-five".