670682667240720 has 60 divisors (see below), whose sum is σ = 2252375957485836. Its totient is φ = 178848711264000.

The previous prime is 670682667240679. The next prime is 670682667240739. The reversal of 670682667240720 is 27042766286076.

It is a happy number.

670682667240720 is a `hidden beast` number, since 6 + 7 + 0 + 6 + 82 + 66 + 72 + 407 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 375301660271616 + 295381006969104 = 19372704^2 + 17186652^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×670682667240720² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465751851531 + ... + 465751852970.

Almost surely, 2^{670682667240720} is an apocalyptic number.

670682667240720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670682667240720 is an abundant number, since it is smaller than the sum of its proper divisors (1581693290245116).

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

670682667240720 is a wasteful number, since it uses less digits than its factorization.

670682667240720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931503704520 (or 931503704511 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 63.

The spelling of 670682667240720 in words is "six hundred seventy trillion, six hundred eighty-two billion, six hundred sixty-seven million, two hundred forty thousand, seven hundred twenty".