70881167 has 4 divisors (see below), whose sum is σ = 81007056. Its totient is φ = 60755280.

The previous prime is 70881149. The next prime is 70881203. The reversal of 70881167 is 76118807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76118807 = 19 ⋅4006253.

It is a cyclic number.

It is not a de Polignac number, because 70881167 - 2⁶ = 70881103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70881167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70881127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5062934 + ... + 5062947.

It is an arithmetic number, because the mean of its divisors is an integer number (20251764).

Almost surely, 2^70881167 is an apocalyptic number.

70881167 is a deficient number, since it is larger than the sum of its proper divisors (10125889).

70881167 is a wasteful number, since it uses less digits than its factorization.

70881167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125888.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 70881167 is about 8419.0953789585. The cubic root of 70881167 is about 413.8506291323.

The spelling of 70881167 in words is "seventy million, eight hundred eighty-one thousand, one hundred sixty-seven".