71022849 has 16 divisors (see below), whose sum is σ = 96880704. Its totient is φ = 46267200.

The previous prime is 71022841. The next prime is 71022857. The reversal of 71022849 is 94822017.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71022841) and next prime (71022857).

It is not a de Polignac number, because 71022849 - 2³ = 71022841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71022841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28639 + ... + 31019.

It is an arithmetic number, because the mean of its divisors is an integer number (6055044).

Almost surely, 2^71022849 is an apocalyptic number.

It is an amenable number.

71022849 is a deficient number, since it is larger than the sum of its proper divisors (25857855).

71022849 is a wasteful number, since it uses less digits than its factorization.

71022849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 71022849 is about 8427.5055028164. The cubic root of 71022849 is about 414.1261896827.

The spelling of 71022849 in words is "seventy-one million, twenty-two thousand, eight hundred forty-nine".