57066737 has 12 divisors (see below), whose sum is σ = 70623360. Its totient is φ = 45150768.

The previous prime is 57066727. The next prime is 57066761. The reversal of 57066737 is 73766075.

It is not a de Polignac number, because 57066737 - 2¹⁴ = 57050353 is a prime.

It is a super-2 number, since 2×57066737² = 6513224943654338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57066694 and 57066703.

It is not an unprimeable number, because it can be changed into a prime (57066727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22937 + ... + 25302.

It is an arithmetic number, because the mean of its divisors is an integer number (5885280).

Almost surely, 2^57066737 is an apocalyptic number.

It is an amenable number.

57066737 is a deficient number, since it is larger than the sum of its proper divisors (13556623).

57066737 is a wasteful number, since it uses less digits than its factorization.

57066737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48272 (or 48259 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 41.

The square root of 57066737 is about 7554.2529081306. The cubic root of 57066737 is about 385.0002518692. Note that the first 3 decimals are identical.

The spelling of 57066737 in words is "fifty-seven million, sixty-six thousand, seven hundred thirty-seven".