70699199 has 4 divisors (see below), whose sum is σ = 70782936. Its totient is φ = 70615464.

The previous prime is 70699177. The next prime is 70699207. The reversal of 70699199 is 99199607.

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

It is a cyclic number.

It is not a de Polignac number, because 70699199 - 2²⁴ = 53921983 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 (70699099) 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, 40589 + ... + 42294.

It is an arithmetic number, because the mean of its divisors is an integer number (17695734).

Almost surely, 2^70699199 is an apocalyptic number.

70699199 is a deficient number, since it is larger than the sum of its proper divisors (83737).

70699199 is an equidigital number, since it uses as much as digits as its factorization.

70699199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83736.

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 70699199 is about 8408.2815723547. The cubic root of 70699199 is about 413.4961762247.

The spelling of 70699199 in words is "seventy million, six hundred ninety-nine thousand, one hundred ninety-nine".