30442760 has 16 divisors (see below), whose sum is σ = 68496300. Its totient is φ = 12177088.

The previous prime is 30442759. The next prime is 30442813. The reversal of 30442760 is 6724403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25180324 + 5262436 = 5018^2 + 2294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380495 + ... + 380574.

Almost surely, 2^30442760 is an apocalyptic number.

It is an amenable number.

30442760 is an abundant number, since it is smaller than the sum of its proper divisors (38053540).

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

30442760 is a wasteful number, since it uses less digits than its factorization.

30442760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761080 (or 761076 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 30442760 is about 5517.4958087886. The cubic root of 30442760 is about 312.2444118160.

The spelling of 30442760 in words is "thirty million, four hundred forty-two thousand, seven hundred sixty".