71677682 has 8 divisors (see below), whose sum is σ = 107587116. Its totient is φ = 35815312.

The previous prime is 71677681. The next prime is 71677699. The reversal of 71677682 is 28677617.

It can be written as a sum of positive squares in 2 ways, for example, as 69572281 + 2105401 = 8341^2 + 1451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71677681) 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, 7673 + ... + 14220.

Almost surely, 2^71677682 is an apocalyptic number.

71677682 is a deficient number, since it is larger than the sum of its proper divisors (35909434).

71677682 is a wasteful number, since it uses less digits than its factorization.

71677682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23532.

The product of its digits is 197568, while the sum is 44.

The square root of 71677682 is about 8466.2673002924. The cubic root of 71677682 is about 415.3950503463.

The spelling of 71677682 in words is "seventy-one million, six hundred seventy-seven thousand, six hundred eighty-two".