30137740 has 12 divisors (see below), whose sum is σ = 63289296. Its totient is φ = 12055088.

The previous prime is 30137663. The next prime is 30137759. The reversal of 30137740 is 4773103.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753424 + ... + 753463.

It is an arithmetic number, because the mean of its divisors is an integer number (5274108).

Almost surely, 2^30137740 is an apocalyptic number.

It is an amenable number.

30137740 is an abundant number, since it is smaller than the sum of its proper divisors (33151556).

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

30137740 is a wasteful number, since it uses less digits than its factorization.

30137740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506896 (or 1506894 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30137740 is about 5489.7850595447. The cubic root of 30137740 is about 311.1980693241.

The spelling of 30137740 in words is "thirty million, one hundred thirty-seven thousand, seven hundred forty".