70305995 has 8 divisors (see below), whose sum is σ = 85315680. Its totient is φ = 55612480.

The previous prime is 70305979. The next prime is 70306003. The reversal of 70305995 is 59950307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70305995 - 2⁴ = 70305979 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78551 + ... + 79440.

It is an arithmetic number, because the mean of its divisors is an integer number (10664460).

Almost surely, 2^70305995 is an apocalyptic number.

70305995 is a deficient number, since it is larger than the sum of its proper divisors (15009685).

70305995 is a wasteful number, since it uses less digits than its factorization.

70305995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158085.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 70305995 is about 8384.8670233940. The cubic root of 70305995 is about 412.7281774012.

The spelling of 70305995 in words is "seventy million, three hundred five thousand, nine hundred ninety-five".