70385205 has 32 divisors (see below), whose sum is σ = 124260480. Its totient is φ = 33735680.

The previous prime is 70385201. The next prime is 70385207. The reversal of 70385205 is 50258307.

It is a happy number.

It is not a de Polignac number, because 70385205 - 2² = 70385201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70385201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12289 + ... + 17081.

It is an arithmetic number, because the mean of its divisors is an integer number (3883140).

Almost surely, 2^70385205 is an apocalyptic number.

It is an amenable number.

70385205 is a deficient number, since it is larger than the sum of its proper divisors (53875275).

70385205 is a wasteful number, since it uses less digits than its factorization.

70385205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 70385205 is about 8389.5890840970. The cubic root of 70385205 is about 412.8831188070.

The spelling of 70385205 in words is "seventy million, three hundred eighty-five thousand, two hundred five".