2057770 has 32 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 690240.

The previous prime is 2057761. The next prime is 2057777. The reversal of 2057770 is 777502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2057777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^2057770 is an apocalyptic number.

2057770 is an abundant number, since it is smaller than the sum of its proper divisors (2296790).

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

2057770 is a wasteful number, since it uses less digits than its factorization.

2057770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 2057770 is about 1434.4929417742. The cubic root of 2057770 is about 127.1937027986.

The spelling of 2057770 in words is "two million, fifty-seven thousand, seven hundred seventy".