30141738 has 24 divisors (see below), whose sum is σ = 71244576. Its totient is φ = 9133800.

The previous prime is 30141737. The next prime is 30141751. The reversal of 30141738 is 83714103.

It is not an unprimeable number, because it can be changed into a prime (30141737) 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, 75918 + ... + 76313.

It is an arithmetic number, because the mean of its divisors is an integer number (2968524).

Almost surely, 2^30141738 is an apocalyptic number.

30141738 is an abundant number, since it is smaller than the sum of its proper divisors (41102838).

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

30141738 is a wasteful number, since it uses less digits than its factorization.

30141738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152250 (or 152247 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 30141738 is about 5490.1491783011. The cubic root of 30141738 is about 311.2118296444.

The spelling of 30141738 in words is "thirty million, one hundred forty-one thousand, seven hundred thirty-eight".