70909699 has 8 divisors (see below), whose sum is σ = 82764288. Its totient is φ = 59486280.

The previous prime is 70909661. The next prime is 70909711. The reversal of 70909699 is 99690907.

It is a happy number.

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

It is not a de Polignac number, because 70909699 - 2⁷ = 70909571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70909099) 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, 107437 + ... + 108094.

It is an arithmetic number, because the mean of its divisors is an integer number (10345536).

Almost surely, 2^70909699 is an apocalyptic number.

70909699 is a deficient number, since it is larger than the sum of its proper divisors (11854589).

70909699 is a wasteful number, since it uses less digits than its factorization.

70909699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215585.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 70909699 is about 8420.7896898094. The cubic root of 70909699 is about 413.9061511778.

The spelling of 70909699 in words is "seventy million, nine hundred nine thousand, six hundred ninety-nine".