70112169 has 32 divisors (see below), whose sum is σ = 108345600. Its totient is φ = 44755200.

The previous prime is 70112167. The next prime is 70112171. The reversal of 70112169 is 96121107.

It is an interprime number because it is at equal distance from previous prime (70112167) and next prime (70112171).

It is not a de Polignac number, because 70112169 - 2¹ = 70112167 is a prime.

It is a super-2 number, since 2×70112169² = 9831432483769122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70112167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117937 + ... + 118529.

It is an arithmetic number, because the mean of its divisors is an integer number (3385800).

Almost surely, 2^70112169 is an apocalyptic number.

It is an amenable number.

70112169 is a deficient number, since it is larger than the sum of its proper divisors (38233431).

70112169 is a wasteful number, since it uses less digits than its factorization.

70112169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 70112169 is about 8373.3009619863. The cubic root of 70112169 is about 412.3485460517.

It can be divided in two parts, 7011 and 2169, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 70112169 in words is "seventy million, one hundred twelve thousand, one hundred sixty-nine".