30726801 has 12 divisors (see below), whose sum is σ = 50723712. Its totient is φ = 17558136.

The previous prime is 30726799. The next prime is 30726809. The reversal of 30726801 is 10862703.

It is not a de Polignac number, because 30726801 - 2¹ = 30726799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30726809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243801 + ... + 243926.

It is an arithmetic number, because the mean of its divisors is an integer number (4226976).

Almost surely, 2^30726801 is an apocalyptic number.

It is an amenable number.

30726801 is a deficient number, since it is larger than the sum of its proper divisors (19996911).

30726801 is a wasteful number, since it uses less digits than its factorization.

30726801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487740 (or 487737 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 30726801 is about 5543.1760751396. The cubic root of 30726801 is about 313.2125215802.

The spelling of 30726801 in words is "thirty million, seven hundred twenty-six thousand, eight hundred one".