30098742 has 16 divisors (see below), whose sum is σ = 61185072. Its totient is φ = 9868320.

The previous prime is 30098741. The next prime is 30098773. The reversal of 30098742 is 24789003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30098741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40753 + ... + 41484.

It is an arithmetic number, because the mean of its divisors is an integer number (3824067).

Almost surely, 2^30098742 is an apocalyptic number.

30098742 is an abundant number, since it is smaller than the sum of its proper divisors (31086330).

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

30098742 is a wasteful number, since it uses less digits than its factorization.

30098742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82303.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 30098742 is about 5486.2320402987. The cubic root of 30098742 is about 311.0637820954.

The spelling of 30098742 in words is "thirty million, ninety-eight thousand, seven hundred forty-two".