70105245 has 32 divisors (see below), whose sum is σ = 129081600. Its totient is φ = 31825920.

The previous prime is 70105207. The next prime is 70105253. The reversal of 70105245 is 54250107.

It is not a de Polignac number, because 70105245 - 2⁶ = 70105181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13405 + ... + 17885.

It is an arithmetic number, because the mean of its divisors is an integer number (4033800).

Almost surely, 2^70105245 is an apocalyptic number.

It is an amenable number.

70105245 is a deficient number, since it is larger than the sum of its proper divisors (58976355).

70105245 is a wasteful number, since it uses less digits than its factorization.

70105245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 70105245 is about 8372.8874947655. The cubic root of 70105245 is about 412.3349716353.

The spelling of 70105245 in words is "seventy million, one hundred five thousand, two hundred forty-five".