57668274 has 56 divisors (see below), whose sum is σ = 133324140. Its totient is φ = 18685728.

The previous prime is 57668257. The next prime is 57668297. The reversal of 57668274 is 47286675.

57668274 is a `hidden beast` number, since 576 + 6 + 8 + 2 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55130625 + 2537649 = 7425^2 + 1593^2 .

It is a super-2 number, since 2×57668274² = 6651259652278152, which contains 22 as substring.

It is a Curzon 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 27 ways as a sum of consecutive naturals, for example, 53412 + ... + 54480.

Almost surely, 2^57668274 is an apocalyptic number.

57668274 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57668274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66662070).

57668274 is an abundant number, since it is smaller than the sum of its proper divisors (75655866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57668274 is a wasteful number, since it uses less digits than its factorization.

57668274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1111 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 57668274 is about 7593.9629970128. The cubic root of 57668274 is about 386.3482811454.

The spelling of 57668274 in words is "fifty-seven million, six hundred sixty-eight thousand, two hundred seventy-four".