30427057 has 8 divisors (see below), whose sum is σ = 31169096. Its totient is φ = 29693952.

The previous prime is 30427051. The next prime is 30427073. The reversal of 30427057 is 75072403.

It can be written as a sum of positive squares in 4 ways, for example, as 5035536 + 25391521 = 2244^2 + 5039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30427057 - 2³ = 30427049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30427051) 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, 4933 + ... + 9229.

It is an arithmetic number, because the mean of its divisors is an integer number (3896137).

Almost surely, 2^30427057 is an apocalyptic number.

It is an amenable number.

30427057 is a deficient number, since it is larger than the sum of its proper divisors (742039).

30427057 is an equidigital number, since it uses as much as digits as its factorization.

30427057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 30427057 is about 5516.0726064837. The cubic root of 30427057 is about 312.1907152250.

The spelling of 30427057 in words is "thirty million, four hundred twenty-seven thousand, fifty-seven".