70209995 has 8 divisors (see below), whose sum is σ = 84299616. Its totient is φ = 56136256.

The previous prime is 70209991. The next prime is 70210027. The reversal of 70209995 is 59990207.

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 70209995 - 2² = 70209991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70209991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10679 + ... + 15951.

It is an arithmetic number, because the mean of its divisors is an integer number (10537452).

Almost surely, 2^70209995 is an apocalyptic number.

70209995 is a deficient number, since it is larger than the sum of its proper divisors (14089621).

70209995 is a wasteful number, since it uses less digits than its factorization.

70209995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 70209995 is about 8379.1404690457. The cubic root of 70209995 is about 412.5402372748.

The spelling of 70209995 in words is "seventy million, two hundred nine thousand, nine hundred ninety-five".