30707442 has 24 divisors (see below), whose sum is σ = 68157180. Its totient is φ = 9985920.

The previous prime is 30707441. The next prime is 30707471. The reversal of 30707442 is 24470703.

It can be written as a sum of positive squares in 2 ways, for example, as 30702681 + 4761 = 5541^2 + 69^2 .

It is not an unprimeable number, because it can be changed into a prime (30707441) 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, 20067 + ... + 21542.

Almost surely, 2^30707442 is an apocalyptic number.

30707442 is an abundant number, since it is smaller than the sum of its proper divisors (37449738).

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

30707442 is a wasteful number, since it uses less digits than its factorization.

30707442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41658 (or 41655 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 30707442 is about 5541.4295989392. The cubic root of 30707442 is about 313.1467293417.

The spelling of 30707442 in words is "thirty million, seven hundred seven thousand, four hundred forty-two".