670240735206 has 64 divisors (see below), whose sum is σ = 1568610717696. Its totient is φ = 186924074400.

The previous prime is 670240735201. The next prime is 670240735231. The reversal of 670240735206 is 602537042076.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670240735201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2719111 + ... + 2955341.

It is an arithmetic number, because the mean of its divisors is an integer number (24509542464).

Almost surely, 2^670240735206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670240735206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784305358848).

670240735206 is an abundant number, since it is smaller than the sum of its proper divisors (898369982490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670240735206 is a wasteful number, since it uses less digits than its factorization.

670240735206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237857.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 670240735206 in words is "six hundred seventy billion, two hundred forty million, seven hundred thirty-five thousand, two hundred six".