30404680 has 16 divisors (see below), whose sum is σ = 68410620. Its totient is φ = 12161856.

The previous prime is 30404663. The next prime is 30404683. The reversal of 30404680 is 8640403.

It can be written as a sum of positive squares in 2 ways, for example, as 30404196 + 484 = 5514^2 + 22^2 .

It is not an unprimeable number, because it can be changed into a prime (30404683) 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 3 ways as a sum of consecutive naturals, for example, 380019 + ... + 380098.

Almost surely, 2^30404680 is an apocalyptic number.

It is an amenable number.

30404680 is an abundant number, since it is smaller than the sum of its proper divisors (38005940).

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

30404680 is a wasteful number, since it uses less digits than its factorization.

30404680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760128 (or 760124 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30404680 is about 5514.0438881097. The cubic root of 30404680 is about 312.1141648828.

The spelling of 30404680 in words is "thirty million, four hundred four thousand, six hundred eighty".