70162271 has 8 divisors (see below), whose sum is σ = 72130464. Its totient is φ = 68221440.

The previous prime is 70162243. The next prime is 70162277. The reversal of 70162271 is 17226107.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70162271 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 70162271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70162277) 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, 1586 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (9016308).

Almost surely, 2^70162271 is an apocalyptic number.

70162271 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

70162271 is a deficient number, since it is larger than the sum of its proper divisors (1968193).

70162271 is a wasteful number, since it uses less digits than its factorization.

70162271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70162271 is about 8376.2921988192. The cubic root of 70162271 is about 412.4467437827.

Adding to 70162271 its reverse (17226107), we get a palindrome (87388378).

The spelling of 70162271 in words is "seventy million, one hundred sixty-two thousand, two hundred seventy-one".