71020855 has 8 divisors (see below), whose sum is σ = 88164000. Its totient is φ = 54857376.

The previous prime is 71020853. The next prime is 71020889. The reversal of 71020855 is 55802017.

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

It is a cyclic number.

It is not a de Polignac number, because 71020855 - 2¹ = 71020853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71020853) 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, 244755 + ... + 245044.

It is an arithmetic number, because the mean of its divisors is an integer number (11020500).

Almost surely, 2^71020855 is an apocalyptic number.

71020855 is a deficient number, since it is larger than the sum of its proper divisors (17143145).

71020855 is a wasteful number, since it uses less digits than its factorization.

71020855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489833.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 71020855 is about 8427.3871988891. The cubic root of 71020855 is about 414.1223140504.

The spelling of 71020855 in words is "seventy-one million, twenty thousand, eight hundred fifty-five".