70284789 has 24 divisors (see below), whose sum is σ = 103364352. Its totient is φ = 46015200.

The previous prime is 70284779. The next prime is 70284821. The reversal of 70284789 is 98748207.

It is not a de Polignac number, because 70284789 - 2¹¹ = 70282741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70284779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151572 + ... + 152034.

It is an arithmetic number, because the mean of its divisors is an integer number (4306848).

Almost surely, 2^70284789 is an apocalyptic number.

It is an amenable number.

70284789 is a deficient number, since it is larger than the sum of its proper divisors (33079563).

70284789 is a wasteful number, since it uses less digits than its factorization.

70284789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 70284789 is about 8383.6023879953. The cubic root of 70284789 is about 412.6866769391.

It can be divided in two parts, 702 and 84789, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 70284789 in words is "seventy million, two hundred eighty-four thousand, seven hundred eighty-nine".