70668199 has 4 divisors (see below), whose sum is σ = 80763664. Its totient is φ = 60572736.

The previous prime is 70668193. The next prime is 70668203. The reversal of 70668199 is 99186607.

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

It is not a de Polignac number, because 70668199 - 2⁷ = 70668071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70668193) 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, 5047722 + ... + 5047735.

It is an arithmetic number, because the mean of its divisors is an integer number (20190916).

Almost surely, 2^70668199 is an apocalyptic number.

70668199 is a deficient number, since it is larger than the sum of its proper divisors (10095465).

70668199 is a wasteful number, since it uses less digits than its factorization.

70668199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095464.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 70668199 is about 8406.4379495717. The cubic root of 70668199 is about 413.4357311483.

The spelling of 70668199 in words is "seventy million, six hundred sixty-eight thousand, one hundred ninety-nine".