670261737272 has 32 divisors (see below), whose sum is σ = 1388521764000. Its totient is φ = 301703491584.

The previous prime is 670261737199. The next prime is 670261737283. The reversal of 670261737272 is 272737162076.

It is a super-3 number, since 3×670261737272³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 670261737272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107135897 + ... + 107142152.

It is an arithmetic number, because the mean of its divisors is an integer number (43391305125).

Almost surely, 2^670261737272 is an apocalyptic number.

It is an amenable number.

670261737272 is an abundant number, since it is smaller than the sum of its proper divisors (718260026728).

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

670261737272 is a wasteful number, since it uses less digits than its factorization.

670261737272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214278095 (or 214278091 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 670261737272 in words is "six hundred seventy billion, two hundred sixty-one million, seven hundred thirty-seven thousand, two hundred seventy-two".