70898741 has 2 divisors, whose sum is σ = 70898742. Its totient is φ = 70898740.

The previous prime is 70898731. The next prime is 70898759. The reversal of 70898741 is 14789807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56685841 + 14212900 = 7529^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 70898741 - 2⁶ = 70898677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70898692 and 70898701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70898731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35449370 + 35449371.

It is an arithmetic number, because the mean of its divisors is an integer number (35449371).

Almost surely, 2^70898741 is an apocalyptic number.

It is an amenable number.

70898741 is a deficient number, since it is larger than the sum of its proper divisors (1).

70898741 is an equidigital number, since it uses as much as digits as its factorization.

70898741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 70898741 is about 8420.1390131042. The cubic root of 70898741 is about 413.8848291427.

The spelling of 70898741 in words is "seventy million, eight hundred ninety-eight thousand, seven hundred forty-one".