71120670 has 16 divisors (see below), whose sum is σ = 170689680. Its totient is φ = 18965504.

The previous prime is 71120659. The next prime is 71120681. The reversal of 71120670 is 7602117.

It is an interprime number because it is at equal distance from previous prime (71120659) and next prime (71120681).

It is a self number, because there is not a number n which added to its sum of digits gives 71120670.

It is a congruent number.

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, 1185315 + ... + 1185374.

It is an arithmetic number, because the mean of its divisors is an integer number (10668105).

Almost surely, 2^71120670 is an apocalyptic number.

71120670 is an abundant number, since it is smaller than the sum of its proper divisors (99569010).

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

71120670 is a wasteful number, since it uses less digits than its factorization.

71120670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370699.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 71120670 is about 8433.3071804601. The cubic root of 71120670 is about 414.3162301852.

Adding to 71120670 its reverse (7602117), we get a palindrome (78722787).

The spelling of 71120670 in words is "seventy-one million, one hundred twenty thousand, six hundred seventy".