70204945 has 8 divisors (see below), whose sum is σ = 85503744. Its totient is φ = 55325424.

The previous prime is 70204933. The next prime is 70204949. The reversal of 70204945 is 54940207.

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

It is a cyclic number.

It is not a de Polignac number, because 70204945 - 2¹⁵ = 70172177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70204949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104449 + ... + 105118.

It is an arithmetic number, because the mean of its divisors is an integer number (10687968).

Almost surely, 2^70204945 is an apocalyptic number.

It is an amenable number.

70204945 is a deficient number, since it is larger than the sum of its proper divisors (15298799).

70204945 is a wasteful number, since it uses less digits than its factorization.

70204945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209639.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 70204945 is about 8378.8391200691. The cubic root of 70204945 is about 412.5303460993.

The spelling of 70204945 in words is "seventy million, two hundred four thousand, nine hundred forty-five".