57078743 has 2 divisors, whose sum is σ = 57078744. Its totient is φ = 57078742.

The previous prime is 57078739. The next prime is 57078767. The reversal of 57078743 is 34787075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57078743 - 2² = 57078739 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57078743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57078733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539371 + 28539372.

It is an arithmetic number, because the mean of its divisors is an integer number (28539372).

Almost surely, 2^57078743 is an apocalyptic number.

57078743 is a deficient number, since it is larger than the sum of its proper divisors (1).

57078743 is an equidigital number, since it uses as much as digits as its factorization.

57078743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 57078743 is about 7555.0475180504. The cubic root of 57078743 is about 385.0272494347.

The spelling of 57078743 in words is "fifty-seven million, seventy-eight thousand, seven hundred forty-three".