70750889 has 16 divisors (see below), whose sum is σ = 86028480. Its totient is φ = 57346560.

The previous prime is 70750879. The next prime is 70750903. The reversal of 70750889 is 98805707.

It is not a de Polignac number, because 70750889 - 2²⁰ = 69702313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70750859) 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 in 15 ways as a sum of consecutive naturals, for example, 6404 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (5376780).

Almost surely, 2^70750889 is an apocalyptic number.

It is an amenable number.

70750889 is a deficient number, since it is larger than the sum of its proper divisors (15277591).

70750889 is a wasteful number, since it uses less digits than its factorization.

70750889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19960.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 70750889 is about 8411.3547660291. The cubic root of 70750889 is about 413.5969242333.

The spelling of 70750889 in words is "seventy million, seven hundred fifty thousand, eight hundred eighty-nine".