30876040 has 32 divisors (see below), whose sum is σ = 74816280. Its totient is φ = 11400192.

The previous prime is 30875989. The next prime is 30876049. The reversal of 30876040 is 4067803.

It can be written as a sum of positive squares in 4 ways, for example, as 25867396 + 5008644 = 5086^2 + 2238^2 .

It is not an unprimeable number, because it can be changed into a prime (30876049) 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 7 ways as a sum of consecutive naturals, for example, 29169 + ... + 30208.

Almost surely, 2^30876040 is an apocalyptic number.

It is an amenable number.

30876040 is an abundant number, since it is smaller than the sum of its proper divisors (43940240).

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

30876040 is a wasteful number, since it uses less digits than its factorization.

30876040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59401 (or 59397 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30876040 is about 5556.6212755595. The cubic root of 30876040 is about 313.7187902481.

The spelling of 30876040 in words is "thirty million, eight hundred seventy-six thousand, forty".