70750169 has 12 divisors (see below), whose sum is σ = 85140900. Its totient is φ = 58550688.

The previous prime is 70750159. The next prime is 70750171. The reversal of 70750169 is 96105707.

It can be written as a sum of positive squares in 2 ways, for example, as 25120144 + 45630025 = 5012^2 + 6755^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70750169 is a prime.

It is a super-2 number, since 2×70750169² = 10011172827057122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70750159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23474 + ... + 26315.

It is an arithmetic number, because the mean of its divisors is an integer number (7095075).

Almost surely, 2^70750169 is an apocalyptic number.

It is an amenable number.

70750169 is a deficient number, since it is larger than the sum of its proper divisors (14390731).

70750169 is a wasteful number, since it uses less digits than its factorization.

70750169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49832 (or 49825 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 70750169 is about 8411.3119666316. The cubic root of 70750169 is about 413.5955212318.

The spelling of 70750169 in words is "seventy million, seven hundred fifty thousand, one hundred sixty-nine".