70029929 has 4 divisors (see below), whose sum is σ = 71658576. Its totient is φ = 68401284.

The previous prime is 70029889. The next prime is 70029931. The reversal of 70029929 is 92992007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70029929 - 2¹² = 70025833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70029892 and 70029901.

It is not an unprimeable number, because it can be changed into a prime (70029329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814259 + ... + 814344.

It is an arithmetic number, because the mean of its divisors is an integer number (17914644).

Almost surely, 2^70029929 is an apocalyptic number.

It is an amenable number.

70029929 is a deficient number, since it is larger than the sum of its proper divisors (1628647).

70029929 is a wasteful number, since it uses less digits than its factorization.

70029929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628646.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 70029929 is about 8368.3886740519. The cubic root of 70029929 is about 412.1872577774.

The spelling of 70029929 in words is "seventy million, twenty-nine thousand, nine hundred twenty-nine".