57740761 has 4 divisors (see below), whose sum is σ = 62182372. Its totient is φ = 53299152.

The previous prime is 57740743. The next prime is 57740777. The reversal of 57740761 is 16704775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14969161 + 42771600 = 3869^2 + 6540^2 .

It is a cyclic number.

It is not a de Polignac number, because 57740761 - 2⁵ = 57740729 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 57740761.

It is not an unprimeable number, because it can be changed into a prime (57749761) 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, 2220786 + ... + 2220811.

It is an arithmetic number, because the mean of its divisors is an integer number (15545593).

Almost surely, 2^57740761 is an apocalyptic number.

It is an amenable number.

57740761 is a deficient number, since it is larger than the sum of its proper divisors (4441611).

57740761 is a wasteful number, since it uses less digits than its factorization.

57740761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441610.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 57740761 is about 7598.7341708998. The cubic root of 57740761 is about 386.5100887867.

The spelling of 57740761 in words is "fifty-seven million, seven hundred forty thousand, seven hundred sixty-one".