71705226 has 16 divisors (see below), whose sum is σ = 148356000. Its totient is φ = 23077488.

The previous prime is 71705173. The next prime is 71705239. The reversal of 71705226 is 62250717.

It is a super-2 number, since 2×71705226² = 10283278871422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71705193 and 71705202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205876 + ... + 206223.

It is an arithmetic number, because the mean of its divisors is an integer number (9272250).

Almost surely, 2^71705226 is an apocalyptic number.

71705226 is an abundant number, since it is smaller than the sum of its proper divisors (76650774).

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

71705226 is a wasteful number, since it uses less digits than its factorization.

71705226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412133.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 71705226 is about 8467.8938349509. The cubic root of 71705226 is about 415.4482522900.

The spelling of 71705226 in words is "seventy-one million, seven hundred five thousand, two hundred twenty-six".