70669929 has 12 divisors (see below), whose sum is σ = 103571888. Its totient is φ = 42830040.

The previous prime is 70669927. The next prime is 70669933. The reversal of 70669929 is 92996607.

It is a happy number.

It is not a de Polignac number, because 70669929 - 2¹ = 70669927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70669927) 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 11 ways as a sum of consecutive naturals, for example, 96979 + ... + 97704.

Almost surely, 2^70669929 is an apocalyptic number.

It is an amenable number.

70669929 is a deficient number, since it is larger than the sum of its proper divisors (32901959).

70669929 is a wasteful number, since it uses less digits than its factorization.

70669929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194708 (or 194697 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 70669929 is about 8406.5408462696. The cubic root of 70669929 is about 413.4391048392.

The spelling of 70669929 in words is "seventy million, six hundred sixty-nine thousand, nine hundred twenty-nine".