71052207 has 8 divisors (see below), whose sum is σ = 95060784. Its totient is φ = 47205888.

The previous prime is 71052199. The next prime is 71052239. The reversal of 71052207 is 70225017.

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

It is not a de Polignac number, because 71052207 - 2³ = 71052199 is a prime.

It is a super-2 number, since 2×71052207² = 10096832239141698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71052257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39538 + ... + 41295.

It is an arithmetic number, because the mean of its divisors is an integer number (11882598).

Almost surely, 2^71052207 is an apocalyptic number.

71052207 is a deficient number, since it is larger than the sum of its proper divisors (24008577).

71052207 is a wasteful number, since it uses less digits than its factorization.

71052207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81129.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 71052207 is about 8429.2471194051. The cubic root of 71052207 is about 414.1832428801.

The spelling of 71052207 in words is "seventy-one million, fifty-two thousand, two hundred seven".