70868289 has 16 divisors (see below), whose sum is σ = 95760000. Its totient is φ = 46615296.

The previous prime is 70868279. The next prime is 70868311. The reversal of 70868289 is 98286807.

It is a happy number.

It is not a de Polignac number, because 70868289 - 2¹² = 70864193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70868279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118012 + ... + 118610.

It is an arithmetic number, because the mean of its divisors is an integer number (5985000).

Almost surely, 2^70868289 is an apocalyptic number.

It is an amenable number.

70868289 is a deficient number, since it is larger than the sum of its proper divisors (24891711).

70868289 is a wasteful number, since it uses less digits than its factorization.

70868289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 70868289 is about 8418.3305352071. The cubic root of 70868289 is about 413.8255642176.

The spelling of 70868289 in words is "seventy million, eight hundred sixty-eight thousand, two hundred eighty-nine".