71676738 has 64 divisors (see below), whose sum is σ = 184362240. Its totient is φ = 20470320.

The previous prime is 71676713. The next prime is 71676749. The reversal of 71676738 is 83767617.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71676693 and 71676702.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29448 + ... + 31788.

It is an arithmetic number, because the mean of its divisors is an integer number (2880660).

Almost surely, 2^71676738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71676738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92181120).

71676738 is an abundant number, since it is smaller than the sum of its proper divisors (112685502).

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

71676738 is an equidigital number, since it uses as much as digits as its factorization.

71676738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2353 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 71676738 is about 8466.2115494476. The cubic root of 71676738 is about 415.3932267446.

The spelling of 71676738 in words is "seventy-one million, six hundred seventy-six thousand, seven hundred thirty-eight".