70006305 has 16 divisors (see below), whose sum is σ = 112117824. Its totient is φ = 37300800.

The previous prime is 70006303. The next prime is 70006327. The reversal of 70006305 is 50360007.

It is not a de Polignac number, because 70006305 - 2¹ = 70006303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70006303) 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, 23130 + ... + 25980.

It is an arithmetic number, because the mean of its divisors is an integer number (7007364).

Almost surely, 2^70006305 is an apocalyptic number.

It is an amenable number.

70006305 is a deficient number, since it is larger than the sum of its proper divisors (42111519).

70006305 is a wasteful number, since it uses less digits than its factorization.

70006305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 70006305 is about 8366.9770526756. The cubic root of 70006305 is about 412.1409032779.

The spelling of 70006305 in words is "seventy million, six thousand, three hundred five".