70859385 has 12 divisors (see below), whose sum is σ = 122823012. Its totient is φ = 37791648.

The previous prime is 70859381. The next prime is 70859419. The reversal of 70859385 is 58395807.

It can be written as a sum of positive squares in 2 ways, for example, as 13660416 + 57198969 = 3696^2 + 7563^2 .

It is not a de Polignac number, because 70859385 - 2² = 70859381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1574653 = 70859385 / (7 + 0 + 8 + 5 + 9 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 70859385.

It is not an unprimeable number, because it can be changed into a prime (70859381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787282 + ... + 787371.

It is an arithmetic number, because the mean of its divisors is an integer number (10235251).

Almost surely, 2^70859385 is an apocalyptic number.

It is an amenable number.

70859385 is a deficient number, since it is larger than the sum of its proper divisors (51963627).

70859385 is a wasteful number, since it uses less digits than its factorization.

70859385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574664 (or 1574661 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 70859385 is about 8417.8016726459. The cubic root of 70859385 is about 413.8082322665.

The spelling of 70859385 in words is "seventy million, eight hundred fifty-nine thousand, three hundred eighty-five".