30272742 has 24 divisors (see below), whose sum is σ = 65705016. Its totient is φ = 10073376.

The previous prime is 30272701. The next prime is 30272743. The reversal of 30272742 is 24727203.

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 11 ways as a sum of consecutive naturals, for example, 13098 + ... + 15234.

It is an arithmetic number, because the mean of its divisors is an integer number (2737709).

Almost surely, 2^30272742 is an apocalyptic number.

30272742 is an abundant number, since it is smaller than the sum of its proper divisors (35432274).

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

30272742 is a wasteful number, since it uses less digits than its factorization.

30272742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 30272742 is about 5502.0670661125. The cubic root of 30272742 is about 311.6620477771.

Adding to 30272742 its reverse (24727203), we get a palindrome (54999945).

The spelling of 30272742 in words is "thirty million, two hundred seventy-two thousand, seven hundred forty-two".