30476493 has 20 divisors (see below), whose sum is σ = 46761660. Its totient is φ = 19766592.

The previous prime is 30476471. The next prime is 30476519. The reversal of 30476493 is 39467403.

30476493 is a `hidden beast` number, since 3 + 0 + 4 + 7 + 649 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27910089 + 2566404 = 5283^2 + 1602^2 .

It is not a de Polignac number, because 30476493 - 2¹² = 30472397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30476443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2088 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (2338083).

Almost surely, 2^30476493 is an apocalyptic number.

It is an amenable number.

30476493 is a deficient number, since it is larger than the sum of its proper divisors (16285167).

30476493 is a wasteful number, since it uses less digits than its factorization.

30476493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218 (or 10209 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 30476493 is about 5520.5518745865. The cubic root of 30476493 is about 312.3596997935.

The spelling of 30476493 in words is "thirty million, four hundred seventy-six thousand, four hundred ninety-three".