71374338 has 64 divisors (see below), whose sum is σ = 187146240. Its totient is φ = 19731600.

The previous prime is 71374309. The next prime is 71374343. The reversal of 71374338 is 83347317.

It is a super-2 number, since 2×71374338² = 10188592249876488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8673 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (2924160).

Almost surely, 2^71374338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71374338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93573120).

71374338 is an abundant number, since it is smaller than the sum of its proper divisors (115771902).

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

71374338 is a wasteful number, since it uses less digits than its factorization.

71374338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140 (or 6134 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 71374338 is about 8448.3334451240. Note that the first 3 decimals coincide. The cubic root of 71374338 is about 414.8082299729.

The spelling of 71374338 in words is "seventy-one million, three hundred seventy-four thousand, three hundred thirty-eight".