71013070 has 16 divisors (see below), whose sum is σ = 134551440. Its totient is φ = 26910144.

The previous prime is 71013067. The next prime is 71013073. The reversal of 71013070 is 7031017.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71013067) and next prime (71013073).

It is a super-4 number, since 4×71013070⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71013073) 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, 186687 + ... + 187066.

It is an arithmetic number, because the mean of its divisors is an integer number (8409465).

Almost surely, 2^71013070 is an apocalyptic number.

71013070 is a deficient number, since it is larger than the sum of its proper divisors (63538370).

71013070 is a wasteful number, since it uses less digits than its factorization.

71013070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373779.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 71013070 is about 8426.9252993010. The cubic root of 71013070 is about 414.1071820631.

Adding to 71013070 its reverse (7031017), we get a palindrome (78044087).

The spelling of 71013070 in words is "seventy-one million, thirteen thousand, seventy".