71000338 has 4 divisors (see below), whose sum is σ = 106500510. Its totient is φ = 35500168.

The previous prime is 71000329. The next prime is 71000339. The reversal of 71000338 is 83300017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83300017 = 17 ⋅4900001.

It can be written as a sum of positive squares in only one way, i.e., 70845889 + 154449 = 8417^2 + 393^2 .

It is a super-2 number, since 2×71000338² = 10082095992228488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71000339) 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 as a sum of consecutive naturals, namely, 17750083 + ... + 17750086.

Almost surely, 2^71000338 is an apocalyptic number.

71000338 is a deficient number, since it is larger than the sum of its proper divisors (35500172).

71000338 is a wasteful number, since it uses less digits than its factorization.

71000338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500171.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 71000338 is about 8426.1698297625. The cubic root of 71000338 is about 414.0824320288.

The spelling of 71000338 in words is "seventy-one million, three hundred thirty-eight", and thus it is an aban number.