71147082 has 16 divisors (see below), whose sum is σ = 143625312. Its totient is φ = 23493840.

The previous prime is 71147081. The next prime is 71147093. The reversal of 71147082 is 28074117.

It is a super-2 number, since 2×71147082² = 10123814554229448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71147081) 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, 54769 + ... + 56052.

It is an arithmetic number, because the mean of its divisors is an integer number (8976582).

Almost surely, 2^71147082 is an apocalyptic number.

71147082 is an abundant number, since it is smaller than the sum of its proper divisors (72478230).

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

71147082 is a wasteful number, since it uses less digits than its factorization.

71147082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110933.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 71147082 is about 8434.8729688123. The cubic root of 71147082 is about 414.3675118821.

It can be divided in two parts, 7114 and 7082, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 71147082 in words is "seventy-one million, one hundred forty-seven thousand, eighty-two".