30805753 has 6 divisors (see below), whose sum is σ = 33861002. Its totient is φ = 28005120.

The previous prime is 30805741. The next prime is 30805769. The reversal of 30805753 is 35750803.

It can be written as a sum of positive squares in only one way, i.e., 28697449 + 2108304 = 5357^2 + 1452^2 .

It is not a de Polignac number, because 30805753 - 2¹³ = 30797561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30805703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127176 + ... + 127417.

Almost surely, 2^30805753 is an apocalyptic number.

It is an amenable number.

30805753 is a deficient number, since it is larger than the sum of its proper divisors (3055249).

30805753 is a wasteful number, since it uses less digits than its factorization.

30805753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254615 (or 254604 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 30805753 is about 5550.2930553260. The cubic root of 30805753 is about 313.4805569146.

The spelling of 30805753 in words is "thirty million, eight hundred five thousand, seven hundred fifty-three".