30272741 has 4 divisors (see below), whose sum is σ = 30284652. Its totient is φ = 30260832.

The previous prime is 30272701. The next prime is 30272743. The reversal of 30272741 is 14727203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14727203 = 67 ⋅219809.

It can be written as a sum of positive squares in 2 ways, for example, as 14984641 + 15288100 = 3871^2 + 3910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30272741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30272741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30272743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 7793.

It is an arithmetic number, because the mean of its divisors is an integer number (7571163).

Almost surely, 2^30272741 is an apocalyptic number.

It is an amenable number.

30272741 is a deficient number, since it is larger than the sum of its proper divisors (11911).

30272741 is an equidigital number, since it uses as much as digits as its factorization.

30272741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 30272741 is about 5502.0669752376. The cubic root of 30272741 is about 311.6620443454.

Adding to 30272741 its reverse (14727203), we get a palindrome (44999944).

It can be divided in two parts, 30272 and 741, that added together give a palindrome (31013).

The spelling of 30272741 in words is "thirty million, two hundred seventy-two thousand, seven hundred forty-one".