71675712 has 56 divisors (see below), whose sum is σ = 210718400. Its totient is φ = 23891328.

The previous prime is 71675701. The next prime is 71675719. The reversal of 71675712 is 21757617.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71675719) 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 7 ways as a sum of consecutive naturals, for example, 19012 + ... + 22467.

Almost surely, 2^71675712 is an apocalyptic number.

71675712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71675712 is an abundant number, since it is smaller than the sum of its proper divisors (139042688).

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

71675712 is a wasteful number, since it uses less digits than its factorization.

71675712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41500 (or 41484 counting only the distinct ones).

The product of its digits is 20580, while the sum is 36.

The square root of 71675712 is about 8466.1509554224. The cubic root of 71675712 is about 415.3912447185.

The spelling of 71675712 in words is "seventy-one million, six hundred seventy-five thousand, seven hundred twelve".