47736969 has 16 divisors (see below), whose sum is σ = 77021568. Its totient is φ = 25673472.

The previous prime is 47736961. The next prime is 47736971. The reversal of 47736969 is 96963774.

It is not a de Polignac number, because 47736969 - 2³ = 47736961 is a prime.

It is a super-2 number, since 2×47736969² = 4557636418613922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (47736961) 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, 66502 + ... + 67215.

It is an arithmetic number, because the mean of its divisors is an integer number (4813848).

Almost surely, 2^47736969 is an apocalyptic number.

It is an amenable number.

47736969 is a deficient number, since it is larger than the sum of its proper divisors (29284599).

47736969 is a wasteful number, since it uses less digits than its factorization.

47736969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133744.

The product of its digits is 1714608, while the sum is 51.

The square root of 47736969 is about 6909.1945261369. The cubic root of 47736969 is about 362.7590702939.

The spelling of 47736969 in words is "forty-seven million, seven hundred thirty-six thousand, nine hundred sixty-nine".