2072672658 has 48 divisors (see below), whose sum is σ = 5357936160. Its totient is φ = 592191432.

The previous prime is 2072672653. The next prime is 2072672689. The reversal of 2072672658 is 8562762702.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2072672653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389016 + ... + 394307.

It is an arithmetic number, because the mean of its divisors is an integer number (111623670).

Almost surely, 2^2072672658 is an apocalyptic number.

2072672658 is an abundant number, since it is smaller than the sum of its proper divisors (3285263502).

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

2072672658 is a wasteful number, since it uses less digits than its factorization.

2072672658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783348 (or 783335 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 2072672658 is about 45526.6148313270. The cubic root of 2072672658 is about 1275.0001605536. Note that the first 3 decimals are identical.

The spelling of 2072672658 in words is "two billion, seventy-two million, six hundred seventy-two thousand, six hundred fifty-eight".