30261372 has 24 divisors (see below), whose sum is σ = 70785792. Its totient is φ = 10062000.

The previous prime is 30261359. The next prime is 30261389. The reversal of 30261372 is 27316203.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 8097.

It is an arithmetic number, because the mean of its divisors is an integer number (2949408).

Almost surely, 2^30261372 is an apocalyptic number.

It is an amenable number.

30261372 is an abundant number, since it is smaller than the sum of its proper divisors (40524420).

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

30261372 is a wasteful number, since it uses less digits than its factorization.

30261372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289 (or 6287 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30261372 is about 5501.0337210383. The cubic root of 30261372 is about 311.6230243192.

Adding to 30261372 its reverse (27316203), we get a palindrome (57577575).

The spelling of 30261372 in words is "thirty million, two hundred sixty-one thousand, three hundred seventy-two".