71626138 has 8 divisors (see below), whose sum is σ = 107489088. Its totient is φ = 35796444.

The previous prime is 71626129. The next prime is 71626153. The reversal of 71626138 is 83162617.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (13436136).

Almost surely, 2^71626138 is an apocalyptic number.

71626138 is a deficient number, since it is larger than the sum of its proper divisors (35862950).

71626138 is a wasteful number, since it uses less digits than its factorization.

71626138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16628.

The product of its digits is 12096, while the sum is 34.

The square root of 71626138 is about 8463.2226722449. Note that the first 3 decimals coincide. The cubic root of 71626138 is about 415.2954551575.

The spelling of 71626138 in words is "seventy-one million, six hundred twenty-six thousand, one hundred thirty-eight".