71332056 has 32 divisors (see below), whose sum is σ = 198145200. Its totient is φ = 23777280.

The previous prime is 71332049. The next prime is 71332057. The reversal of 71332056 is 65023317.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71332057) 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, 164905 + ... + 165336.

Almost surely, 2^71332056 is an apocalyptic number.

It is an amenable number.

71332056 is an abundant number, since it is smaller than the sum of its proper divisors (126813144).

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

71332056 is a wasteful number, since it uses less digits than its factorization.

71332056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330256 (or 330246 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 71332056 is about 8445.8306873865. The cubic root of 71332056 is about 414.7263033003.

The spelling of 71332056 in words is "seventy-one million, three hundred thirty-two thousand, fifty-six".