57270067 has 4 divisors (see below), whose sum is σ = 57560976. Its totient is φ = 56979160.

The previous prime is 57270019. The next prime is 57270077. The reversal of 57270067 is 76007275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57270067 - 2⁷ = 57269939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57270007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145159 + ... + 145552.

It is an arithmetic number, because the mean of its divisors is an integer number (14390244).

Almost surely, 2^57270067 is an apocalyptic number.

57270067 is a deficient number, since it is larger than the sum of its proper divisors (290909).

57270067 is a wasteful number, since it uses less digits than its factorization.

57270067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290908.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 57270067 is about 7567.6989237152. The cubic root of 57270067 is about 385.4569645727.

The spelling of 57270067 in words is "fifty-seven million, two hundred seventy thousand, sixty-seven".