30057380 has 12 divisors (see below), whose sum is σ = 63120540. Its totient is φ = 12022944.

The previous prime is 30057361. The next prime is 30057397. The reversal of 30057380 is 8375003.

It can be written as a sum of positive squares in 2 ways, for example, as 13719616 + 16337764 = 3704^2 + 4042^2 .

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, 751415 + ... + 751454.

It is an arithmetic number, because the mean of its divisors is an integer number (5260045).

Almost surely, 2^30057380 is an apocalyptic number.

It is an amenable number.

30057380 is an abundant number, since it is smaller than the sum of its proper divisors (33063160).

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

30057380 is a wasteful number, since it uses less digits than its factorization.

30057380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502878 (or 1502876 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 30057380 is about 5482.4611261732. The cubic root of 30057380 is about 310.9212277622.

The spelling of 30057380 in words is "thirty million, fifty-seven thousand, three hundred eighty".