1057672782 has 32 divisors (see below), whose sum is σ = 2488644000. Its totient is φ = 331818624.

The previous prime is 1057672741. The next prime is 1057672783. The reversal of 1057672782 is 2872767501.

1057672782 is a `hidden beast` number, since 1 + 0 + 576 + 7 + 2 + 78 + 2 = 666.

It is a super-2 number, since 2×1057672782² = 2237343427567239048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057672783) 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 15 ways as a sum of consecutive naturals, for example, 575157 + ... + 576992.

It is an arithmetic number, because the mean of its divisors is an integer number (77770125).

Almost surely, 2^1057672782 is an apocalyptic number.

1057672782 is an abundant number, since it is smaller than the sum of its proper divisors (1430971218).

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

1057672782 is a wasteful number, since it uses less digits than its factorization.

1057672782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152177 (or 1152171 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 1057672782 is about 32521.8815876327. The cubic root of 1057672782 is about 1018.8660928736.

The spelling of 1057672782 in words is "one billion, fifty-seven million, six hundred seventy-two thousand, seven hundred eighty-two".