30773268 has 36 divisors (see below), whose sum is σ = 78323700. Its totient is φ = 10187136.

The previous prime is 30773191. The next prime is 30773269. The reversal of 30773268 is 86237703.

It can be written as a sum of positive squares in 2 ways, for example, as 1483524 + 29289744 = 1218^2 + 5412^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30773269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2496 + ... + 8232.

Almost surely, 2^30773268 is an apocalyptic number.

It is an amenable number.

30773268 is an abundant number, since it is smaller than the sum of its proper divisors (47550432).

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

30773268 is a wasteful number, since it uses less digits than its factorization.

30773268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 30773268 is about 5547.3658613796. The cubic root of 30773268 is about 313.3703286130.

The spelling of 30773268 in words is "thirty million, seven hundred seventy-three thousand, two hundred sixty-eight".