57406766 has 8 divisors (see below), whose sum is σ = 87323184. Its totient is φ = 28299040.

The previous prime is 57406757. The next prime is 57406777. The reversal of 57406766 is 66760475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 201995 + ... + 202278.

It is an arithmetic number, because the mean of its divisors is an integer number (10915398).

Almost surely, 2^57406766 is an apocalyptic number.

57406766 is a deficient number, since it is larger than the sum of its proper divisors (29916418).

57406766 is a wasteful number, since it uses less digits than its factorization.

57406766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404346.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 57406766 is about 7576.7252820727. The cubic root of 57406766 is about 385.7634057112.

The spelling of 57406766 in words is "fifty-seven million, four hundred six thousand, seven hundred sixty-six".