70051289 has 16 divisors (see below), whose sum is σ = 90157056. Its totient is φ = 52822800.

The previous prime is 70051259. The next prime is 70051403. The reversal of 70051289 is 98215007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70051289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70051259) 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, 12287 + ... + 17060.

It is an arithmetic number, because the mean of its divisors is an integer number (5634816).

Almost surely, 2^70051289 is an apocalyptic number.

It is an amenable number.

70051289 is a deficient number, since it is larger than the sum of its proper divisors (20105767).

70051289 is a wasteful number, since it uses less digits than its factorization.

70051289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29396.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 70051289 is about 8369.6648081031. The cubic root of 70051289 is about 412.2291609321.

The spelling of 70051289 in words is "seventy million, fifty-one thousand, two hundred eighty-nine".