30660342 has 32 divisors (see below), whose sum is σ = 62563200. Its totient is φ = 10015488.

The previous prime is 30660313. The next prime is 30660347. The reversal of 30660342 is 24306603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30660347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80709 + ... + 81087.

It is an arithmetic number, because the mean of its divisors is an integer number (1955100).

Almost surely, 2^30660342 is an apocalyptic number.

30660342 is an abundant number, since it is smaller than the sum of its proper divisors (31902858).

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

30660342 is a wasteful number, since it uses less digits than its factorization.

30660342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 30660342 is about 5537.1781622050. The cubic root of 30660342 is about 312.9865427838.

Adding to 30660342 its reverse (24306603), we get a palindrome (54966945).

The spelling of 30660342 in words is "thirty million, six hundred sixty thousand, three hundred forty-two".