30994726 has 16 divisors (see below), whose sum is σ = 53328384. Its totient is φ = 13234824.

The previous prime is 30994721. The next prime is 30994727. The reversal of 30994726 is 62749903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30994721) 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 7 ways as a sum of consecutive naturals, for example, 51 + ... + 7873.

It is an arithmetic number, because the mean of its divisors is an integer number (3333024).

Almost surely, 2^30994726 is an apocalyptic number.

30994726 is a deficient number, since it is larger than the sum of its proper divisors (22333658).

30994726 is a wasteful number, since it uses less digits than its factorization.

30994726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 30994726 is about 5567.2907235028. The cubic root of 30994726 is about 314.1202495604.

The spelling of 30994726 in words is "thirty million, nine hundred ninety-four thousand, seven hundred twenty-six".