70295905 has 4 divisors (see below), whose sum is σ = 84355092. Its totient is φ = 56236720.

The previous prime is 70295891. The next prime is 70295909. The reversal of 70295905 is 50959207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47169424 + 23126481 = 6868^2 + 4809^2 .

It is not a de Polignac number, because 70295905 - 2⁵ = 70295873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70295909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7029586 + ... + 7029595.

It is an arithmetic number, because the mean of its divisors is an integer number (21088773).

Almost surely, 2^70295905 is an apocalyptic number.

It is an amenable number.

70295905 is a deficient number, since it is larger than the sum of its proper divisors (14059187).

70295905 is a wasteful number, since it uses less digits than its factorization.

70295905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059186.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 70295905 is about 8384.2653226147. The cubic root of 70295905 is about 412.7084321597.

The spelling of 70295905 in words is "seventy million, two hundred ninety-five thousand, nine hundred five".