30375942 has 16 divisors (see below), whose sum is σ = 61093440. Its totient is φ = 10068392.

The previous prime is 30375937. The next prime is 30375949. The reversal of 30375942 is 24957303.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30375949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13068 + ... + 15215.

It is an arithmetic number, because the mean of its divisors is an integer number (3818340).

Almost surely, 2^30375942 is an apocalyptic number.

30375942 is an abundant number, since it is smaller than the sum of its proper divisors (30717498).

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

30375942 is a wasteful number, since it uses less digits than its factorization.

30375942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28467.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 30375942 is about 5511.4373805751. The cubic root of 30375942 is about 312.0157988384.

It can be divided in two parts, 303 and 75942, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 30375942 in words is "thirty million, three hundred seventy-five thousand, nine hundred forty-two".