2057581734 has 32 divisors (see below), whose sum is σ = 4534785024. Its totient is φ = 618377760.

The previous prime is 2057581711. The next prime is 2057581739. The reversal of 2057581734 is 4371857502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057581739) 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, 303382 + ... + 310089.

It is an arithmetic number, because the mean of its divisors is an integer number (141712032).

Almost surely, 2^2057581734 is an apocalyptic number.

2057581734 is an abundant number, since it is smaller than the sum of its proper divisors (2477203290).

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

2057581734 is a wasteful number, since it uses less digits than its factorization.

2057581734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613532.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 2057581734 is about 45360.5746656720. The cubic root of 2057581734 is about 1271.8982368354.

The spelling of 2057581734 in words is "two billion, fifty-seven million, five hundred eighty-one thousand, seven hundred thirty-four".