30527040 has 56 divisors (see below), whose sum is σ = 96926400. Its totient is φ = 8140288.

The previous prime is 30527039. The next prime is 30527059. The reversal of 30527040 is 4072503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30526998 and 30527016.

It is an unprimeable number.

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, 14940 + ... + 16859.

Almost surely, 2^30527040 is an apocalyptic number.

30527040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30527040 is an abundant number, since it is smaller than the sum of its proper divisors (66399360).

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

30527040 is a wasteful number, since it uses less digits than its factorization.

30527040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31819 (or 31809 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 30527040 is about 5525.1280528147. The cubic root of 30527040 is about 312.5322931961.

Adding to 30527040 its reverse (4072503), we get a palindrome (34599543).

The spelling of 30527040 in words is "thirty million, five hundred twenty-seven thousand, forty".