71833047 has 16 divisors (see below), whose sum is σ = 112522368. Its totient is φ = 40186080.

The previous prime is 71833039. The next prime is 71833063. The reversal of 71833047 is 74033817.

It is not a de Polignac number, because 71833047 - 2³ = 71833039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 71832999 and 71833017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71833037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83293 + ... + 84150.

It is an arithmetic number, because the mean of its divisors is an integer number (7032648).

Almost surely, 2^71833047 is an apocalyptic number.

71833047 is a deficient number, since it is larger than the sum of its proper divisors (40689321).

71833047 is a wasteful number, since it uses less digits than its factorization.

71833047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167470.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 71833047 is about 8475.4378647950. The cubic root of 71833047 is about 415.6949636833.

The spelling of 71833047 in words is "seventy-one million, eight hundred thirty-three thousand, forty-seven".