2723728626 has 32 divisors (see below), whose sum is σ = 6064920000. Its totient is φ = 906081120.

The previous prime is 2723728621. The next prime is 2723728639. The reversal of 2723728626 is 6268273272.

2723728626 is a `hidden beast` number, since 272 + 372 + 8 + 6 + 2 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (2723728621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23595 + ... + 77486.

It is an arithmetic number, because the mean of its divisors is an integer number (189528750).

Almost surely, 2^2723728626 is an apocalyptic number.

2723728626 is an abundant number, since it is smaller than the sum of its proper divisors (3341191374).

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

2723728626 is a wasteful number, since it uses less digits than its factorization.

2723728626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101591 (or 101585 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 2723728626 is about 52189.3535694781. The cubic root of 2723728626 is about 1396.5439628691.

The spelling of 2723728626 in words is "two billion, seven hundred twenty-three million, seven hundred twenty-eight thousand, six hundred twenty-six".