70000667 has 8 divisors (see below), whose sum is σ = 76447152. Its totient is φ = 63568000.

The previous prime is 70000663. The next prime is 70000669. The reversal of 70000667 is 76600007.

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

It is a cyclic number.

It is not a de Polignac number, because 70000667 - 2² = 70000663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70000663) 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, 9167 + ... + 14967.

It is an arithmetic number, because the mean of its divisors is an integer number (9555894).

Almost surely, 2^70000667 is an apocalyptic number.

70000667 is a deficient number, since it is larger than the sum of its proper divisors (6446485).

70000667 is a wasteful number, since it uses less digits than its factorization.

70000667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 70000667 is about 8366.6401261199. The cubic root of 70000667 is about 412.1298389754.

The spelling of 70000667 in words is "seventy million, six hundred sixty-seven", and thus it is an aban number.