70067087 has 4 divisors (see below), whose sum is σ = 70084656. Its totient is φ = 70049520.

The previous prime is 70067071. The next prime is 70067191. The reversal of 70067087 is 78076007.

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 70067087 - 2⁴ = 70067071 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 (70067027) 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, 398 + ... + 11844.

It is an arithmetic number, because the mean of its divisors is an integer number (17521164).

Almost surely, 2^70067087 is an apocalyptic number.

70067087 is a deficient number, since it is larger than the sum of its proper divisors (17569).

70067087 is a wasteful number, since it uses less digits than its factorization.

70067087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17568.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 70067087 is about 8370.6085202929. The cubic root of 70067087 is about 412.2601473083.

The spelling of 70067087 in words is "seventy million, sixty-seven thousand, eighty-seven".