70340187 has 8 divisors (see below), whose sum is σ = 97864704. Its totient is φ = 44854568.

The previous prime is 70340183. The next prime is 70340227. The reversal of 70340187 is 78104307.

It is a happy number.

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 70340187 - 2² = 70340183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70340183) 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 7 ways as a sum of consecutive naturals, for example, 509643 + ... + 509780.

It is an arithmetic number, because the mean of its divisors is an integer number (12233088).

Almost surely, 2^70340187 is an apocalyptic number.

70340187 is a deficient number, since it is larger than the sum of its proper divisors (27524517).

70340187 is a wasteful number, since it uses less digits than its factorization.

70340187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019449.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70340187 is about 8386.9056868430. The cubic root of 70340187 is about 412.7950740898.

The spelling of 70340187 in words is "seventy million, three hundred forty thousand, one hundred eighty-seven".