30516942 has 32 divisors (see below), whose sum is σ = 62270208. Its totient is φ = 9968576.

The previous prime is 30516931. The next prime is 30516973. The reversal of 30516942 is 24961503.

It is a congruent number.

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, 115903 + ... + 116165.

It is an arithmetic number, because the mean of its divisors is an integer number (1945944).

Almost surely, 2^30516942 is an apocalyptic number.

30516942 is an abundant number, since it is smaller than the sum of its proper divisors (31753266).

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

30516942 is a wasteful number, since it uses less digits than its factorization.

30516942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30516942 is about 5524.2141522573. The cubic root of 30516942 is about 312.4978286782.

The spelling of 30516942 in words is "thirty million, five hundred sixteen thousand, nine hundred forty-two".