30642276 has 48 divisors (see below), whose sum is σ = 82123776. Its totient is φ = 8710944.

The previous prime is 30642263. The next prime is 30642277. The reversal of 30642276 is 67224603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30642277) 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 15 ways as a sum of consecutive naturals, for example, 18265 + ... + 19871.

It is an arithmetic number, because the mean of its divisors is an integer number (1710912).

Almost surely, 2^30642276 is an apocalyptic number.

It is an amenable number.

30642276 is an abundant number, since it is smaller than the sum of its proper divisors (51481500).

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

30642276 is a wasteful number, since it uses less digits than its factorization.

30642276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 30642276 is about 5535.5465854783. The cubic root of 30642276 is about 312.9250569962.

Adding to 30642276 its reverse (67224603), we get a palindrome (97866879).

The spelling of 30642276 in words is "thirty million, six hundred forty-two thousand, two hundred seventy-six".