30714057 has 12 divisors (see below), whose sum is σ = 48398064. Its totient is φ = 18614520.

The previous prime is 30714041. The next prime is 30714059. The reversal of 30714057 is 75041703.

It is not a de Polignac number, because 30714057 - 2⁴ = 30714041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30714057.

It is not an unprimeable number, because it can be changed into a prime (30714059) 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, 155023 + ... + 155220.

It is an arithmetic number, because the mean of its divisors is an integer number (4033172).

Almost surely, 2^30714057 is an apocalyptic number.

It is an amenable number.

30714057 is a deficient number, since it is larger than the sum of its proper divisors (17684007).

30714057 is a wasteful number, since it uses less digits than its factorization.

30714057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310260 (or 310257 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 30714057 is about 5542.0264344371. The cubic root of 30714057 is about 313.1692137598.

The spelling of 30714057 in words is "thirty million, seven hundred fourteen thousand, fifty-seven".