3672728279491 has 8 divisors (see below), whose sum is σ = 3683542105584. Its totient is φ = 3661915773600.

The previous prime is 3672728279477. The next prime is 3672728279527. The reversal of 3672728279491 is 1949728272763.

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 3672728279491 - 2¹³ = 3672728271299 is a prime.

It is a super-2 number, since 2×3672728279491² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3672728279401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5387541 + ... + 6030841.

It is an arithmetic number, because the mean of its divisors is an integer number (460442763198).

Almost surely, 2^{3672728279491} is an apocalyptic number.

3672728279491 is a deficient number, since it is larger than the sum of its proper divisors (10813826093).

3672728279491 is a wasteful number, since it uses less digits than its factorization.

3672728279491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660101.

The product of its digits is 128024064, while the sum is 67.

The spelling of 3672728279491 in words is "three trillion, six hundred seventy-two billion, seven hundred twenty-eight million, two hundred seventy-nine thousand, four hundred ninety-one".