30113724 has 24 divisors (see below), whose sum is σ = 70474320. Its totient is φ = 10008064.

The previous prime is 30113723. The next prime is 30113737. The reversal of 30113724 is 42731103.

It is a self number, because there is not a number n which added to its sum of digits gives 30113724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (2936430).

Almost surely, 2^30113724 is an apocalyptic number.

It is an amenable number.

30113724 is an abundant number, since it is smaller than the sum of its proper divisors (40360596).

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

30113724 is a wasteful number, since it uses less digits than its factorization.

30113724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469 (or 7467 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30113724 is about 5487.5972884314. The cubic root of 30113724 is about 311.1153854099.

Adding to 30113724 its reverse (42731103), we get a palindrome (72844827).

The spelling of 30113724 in words is "thirty million, one hundred thirteen thousand, seven hundred twenty-four".