71047032 has 32 divisors (see below), whose sum is σ = 202992000. Its totient is φ = 20299104.

The previous prime is 71047027. The next prime is 71047043. The reversal of 71047032 is 23074017.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 71046993 and 71047011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211282 + ... + 211617.

It is an arithmetic number, because the mean of its divisors is an integer number (6343500).

Almost surely, 2^71047032 is an apocalyptic number.

It is an amenable number.

71047032 is an abundant number, since it is smaller than the sum of its proper divisors (131944968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71047032 is a wasteful number, since it uses less digits than its factorization.

71047032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422915 (or 422911 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 71047032 is about 8428.9401468987. The cubic root of 71047032 is about 414.1731871271.

The spelling of 71047032 in words is "seventy-one million, forty-seven thousand, thirty-two".