70882140169 has 9 divisors (see below), whose sum is σ = 75301752981. Its totient is φ = 66708342720.

The previous prime is 70882140157. The next prime is 70882140227. The reversal of 70882140169 is 96104128807.

The square root of 70882140169 is 266237.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 49210767225 + 21671372944 = 221835^2 + 147212^2 .

It is not a de Polignac number, because 70882140169 - 2¹¹ = 70882138121 is a prime.

It is a super-2 number, since 2×70882140169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70882143169) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4518199 + ... + 4533859.

Almost surely, 2^70882140169 is an apocalyptic number.

70882140169 is the 266237-th square number.

70882140169 is the 133119-th centered octagonal number.

It is an amenable number.

70882140169 is a deficient number, since it is larger than the sum of its proper divisors (4419612812).

70882140169 is an frugal number, since it uses more digits than its factorization.

70882140169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31356 (or 15678 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 70882140169 in words is "seventy billion, eight hundred eighty-two million, one hundred forty thousand, one hundred sixty-nine".