30244740 has 48 divisors (see below), whose sum is σ = 85122240. Its totient is φ = 8023680.

The previous prime is 30244729. The next prime is 30244741. The reversal of 30244740 is 4744203.

It is a self number, because there is not a number n which added to its sum of digits gives 30244740.

It is not an unprimeable number, because it can be changed into a prime (30244741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11466 + ... + 13854.

It is an arithmetic number, because the mean of its divisors is an integer number (1773380).

Almost surely, 2^30244740 is an apocalyptic number.

30244740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30244740 is an abundant number, since it is smaller than the sum of its proper divisors (54877500).

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

30244740 is a wasteful number, since it uses less digits than its factorization.

30244740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 30244740 is about 5499.5217973929. The cubic root of 30244740 is about 311.5659233175.

Adding to 30244740 its reverse (4744203), we get a palindrome (34988943).

The spelling of 30244740 in words is "thirty million, two hundred forty-four thousand, seven hundred forty".