30735138 has 32 divisors (see below), whose sum is σ = 70447104. Its totient is φ = 8757072.

The previous prime is 30735121. The next prime is 30735151. The reversal of 30735138 is 83153703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18831 + ... + 20397.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^30735138 is an apocalyptic number.

30735138 is an abundant number, since it is smaller than the sum of its proper divisors (39711966).

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

30735138 is a wasteful number, since it uses less digits than its factorization.

30735138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 30735138 is about 5543.9280298359. The cubic root of 30735138 is about 313.2408466534.

The spelling of 30735138 in words is "thirty million, seven hundred thirty-five thousand, one hundred thirty-eight".