57073047 has 4 divisors (see below), whose sum is σ = 76097400. Its totient is φ = 38048696.

The previous prime is 57073043. The next prime is 57073061. The reversal of 57073047 is 74037075.

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 57073047 - 2² = 57073043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57072999 and 57073017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57073043) 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, 9512172 + ... + 9512177.

It is an arithmetic number, because the mean of its divisors is an integer number (19024350).

Almost surely, 2^57073047 is an apocalyptic number.

57073047 is a deficient number, since it is larger than the sum of its proper divisors (19024353).

57073047 is a wasteful number, since it uses less digits than its factorization.

57073047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024352.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 57073047 is about 7554.6705421216. The cubic root of 57073047 is about 385.0144414665.

The spelling of 57073047 in words is "fifty-seven million, seventy-three thousand, forty-seven".