71682080 has 24 divisors (see below), whose sum is σ = 169349292. Its totient is φ = 28672768.

The previous prime is 71682077. The next prime is 71682089. The reversal of 71682080 is 8028617.

It can be written as a sum of positive squares in 2 ways, for example, as 67305616 + 4376464 = 8204^2 + 2092^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (71682089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223847 + ... + 224166.

Almost surely, 2^71682080 is an apocalyptic number.

It is an amenable number.

71682080 is an abundant number, since it is smaller than the sum of its proper divisors (97667212).

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

71682080 is a wasteful number, since it uses less digits than its factorization.

71682080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448028 (or 448020 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 71682080 is about 8466.5270329693. The cubic root of 71682080 is about 415.4035461106.

The spelling of 71682080 in words is "seventy-one million, six hundred eighty-two thousand, eighty".