70838385 has 16 divisors (see below), whose sum is σ = 115200960. Its totient is φ = 37160640.

The previous prime is 70838377. The next prime is 70838389. The reversal of 70838385 is 58383807.

It is not a de Polignac number, because 70838385 - 2³ = 70838377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70838389) 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, 37795 + ... + 39624.

It is an arithmetic number, because the mean of its divisors is an integer number (7200060).

Almost surely, 2^70838385 is an apocalyptic number.

It is an amenable number.

70838385 is a deficient number, since it is larger than the sum of its proper divisors (44362575).

70838385 is a wasteful number, since it uses less digits than its factorization.

70838385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77488.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 70838385 is about 8416.5542236713. The cubic root of 70838385 is about 413.7673492724.

It can be divided in two parts, 708 and 38385, that added together give a palindrome (39093).

The spelling of 70838385 in words is "seventy million, eight hundred thirty-eight thousand, three hundred eighty-five".