70004135 has 4 divisors (see below), whose sum is σ = 84004968. Its totient is φ = 56003304.

The previous prime is 70004131. The next prime is 70004141. The reversal of 70004135 is 53140007.

It is a happy number.

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 70004135 - 2² = 70004131 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 (70004131) 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 3 ways as a sum of consecutive naturals, for example, 7000409 + ... + 7000418.

It is an arithmetic number, because the mean of its divisors is an integer number (21001242).

Almost surely, 2^70004135 is an apocalyptic number.

70004135 is a deficient number, since it is larger than the sum of its proper divisors (14000833).

70004135 is a wasteful number, since it uses less digits than its factorization.

70004135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14000832.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70004135 is about 8366.8473752065. The cubic root of 70004135 is about 412.1366448281.

The spelling of 70004135 in words is "seventy million, four thousand, one hundred thirty-five".