2667680731 has 8 divisors (see below), whose sum is σ = 2854120400. Its totient is φ = 2485844640.

The previous prime is 2667680713. The next prime is 2667680773. The reversal of 2667680731 is 1370867662.

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 2667680731 - 2⁹ = 2667680219 is a prime.

It is a super-2 number, since 2×2667680731² = 14233040965097388722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2667680791) 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 7 ways as a sum of consecutive naturals, for example, 1149696 + ... + 1152013.

It is an arithmetic number, because the mean of its divisors is an integer number (356765050).

Almost surely, 2^2667680731 is an apocalyptic number.

2667680731 is a deficient number, since it is larger than the sum of its proper divisors (186439669).

2667680731 is a wasteful number, since it uses less digits than its factorization.

2667680731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301789.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 2667680731 is about 51649.5956518538. The cubic root of 2667680731 is about 1386.8983046593.

The spelling of 2667680731 in words is "two billion, six hundred sixty-seven million, six hundred eighty thousand, seven hundred thirty-one".