57276743 has 4 divisors (see below), whose sum is σ = 58215768. Its totient is φ = 56337720.

The previous prime is 57276719. The next prime is 57276763. The reversal of 57276743 is 34767275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57276743 - 2⁶ = 57276679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57276743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57276763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469421 + ... + 469542.

It is an arithmetic number, because the mean of its divisors is an integer number (14553942).

Almost surely, 2^57276743 is an apocalyptic number.

57276743 is a deficient number, since it is larger than the sum of its proper divisors (939025).

57276743 is an equidigital number, since it uses as much as digits as its factorization.

57276743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939024.

The product of its digits is 246960, while the sum is 41.

The square root of 57276743 is about 7568.1399960624. The cubic root of 57276743 is about 385.4719416270.

The spelling of 57276743 in words is "fifty-seven million, two hundred seventy-six thousand, seven hundred forty-three".