57400717 has 4 divisors (see below), whose sum is σ = 62618976. Its totient is φ = 52182460.

The previous prime is 57400699. The next prime is 57400741. The reversal of 57400717 is 71700475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57400717 - 2¹¹ = 57398669 is a prime.

It is a super-3 number, since 3×57400717³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57400787) by changing a digit.

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, 2609113 + ... + 2609134.

It is an arithmetic number, because the mean of its divisors is an integer number (15654744).

Almost surely, 2^57400717 is an apocalyptic number.

It is an amenable number.

57400717 is a deficient number, since it is larger than the sum of its proper divisors (5218259).

57400717 is a wasteful number, since it uses less digits than its factorization.

57400717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218258.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 57400717 is about 7576.3260885471. The cubic root of 57400717 is about 385.7498558287.

The spelling of 57400717 in words is "fifty-seven million, four hundred thousand, seven hundred seventeen".