47547969 has 16 divisors (see below), whose sum is σ = 75604992. Its totient is φ = 25988688.

The previous prime is 47547947. The next prime is 47547971. The reversal of 47547969 is 96974574.

It is not a de Polignac number, because 47547969 - 2¹¹ = 47545921 is a prime.

It is a super-2 number, since 2×47547969² = 4521618712049922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47547469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48739 + ... + 49704.

It is an arithmetic number, because the mean of its divisors is an integer number (4725312).

Almost surely, 2^47547969 is an apocalyptic number.

It is an amenable number.

47547969 is a deficient number, since it is larger than the sum of its proper divisors (28057023).

47547969 is a wasteful number, since it uses less digits than its factorization.

47547969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98476.

The product of its digits is 1905120, while the sum is 51.

The square root of 47547969 is about 6895.5035349132. The cubic root of 47547969 is about 362.2796923748.

It can be divided in two parts, 47547 and 969, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 47547969 in words is "forty-seven million, five hundred forty-seven thousand, nine hundred sixty-nine".