30300642 has 24 divisors (see below), whose sum is σ = 68084016. Its totient is φ = 10100052.

The previous prime is 30300631. The next prime is 30300661. The reversal of 30300642 is 24600303.

It is a super-2 number, since 2×30300642² = 1836257811224328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30688 + ... + 31659.

It is an arithmetic number, because the mean of its divisors is an integer number (2836834).

Almost surely, 2^30300642 is an apocalyptic number.

30300642 is an abundant number, since it is smaller than the sum of its proper divisors (37783374).

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

30300642 is an equidigital number, since it uses as much as digits as its factorization.

30300642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62364 (or 62352 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30300642 is about 5504.6018929619. The cubic root of 30300642 is about 311.7577631594.

Adding to 30300642 its reverse (24600303), we get a palindrome (54900945).

The spelling of 30300642 in words is "thirty million, three hundred thousand, six hundred forty-two".