57671407 has 2 divisors, whose sum is σ = 57671408. Its totient is φ = 57671406.

The previous prime is 57671371. The next prime is 57671423. The reversal of 57671407 is 70417675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57671407 - 2¹⁵ = 57638639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57671437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28835703 + 28835704.

It is an arithmetic number, because the mean of its divisors is an integer number (28835704).

Almost surely, 2^57671407 is an apocalyptic number.

57671407 is a deficient number, since it is larger than the sum of its proper divisors (1).

57671407 is an equidigital number, since it uses as much as digits as its factorization.

57671407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 57671407 is about 7594.1692764910. The cubic root of 57671407 is about 386.3552775241.

The spelling of 57671407 in words is "fifty-seven million, six hundred seventy-one thousand, four hundred seven".