30641450 has 24 divisors (see below), whose sum is σ = 65135712. Its totient is φ = 10505520.

The previous prime is 30641449. The next prime is 30641453. The reversal of 30641450 is 5414603.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30641453) 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 11 ways as a sum of consecutive naturals, for example, 43424 + ... + 44123.

It is an arithmetic number, because the mean of its divisors is an integer number (2713988).

Almost surely, 2^30641450 is an apocalyptic number.

30641450 is an abundant number, since it is smaller than the sum of its proper divisors (34494262).

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

30641450 is a wasteful number, since it uses less digits than its factorization.

30641450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87566 (or 87561 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30641450 is about 5535.4719762636. The cubic root of 30641450 is about 312.9222452118.

The spelling of 30641450 in words is "thirty million, six hundred forty-one thousand, four hundred fifty".