1072857770 has 64 divisors (see below), whose sum is σ = 2065616640. Its totient is φ = 400316928.

The previous prime is 1072857769. The next prime is 1072857787. The reversal of 1072857770 is 777582701.

It is a super-3 number, since 3×1072857770³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2347382 + ... + 2347838.

It is an arithmetic number, because the mean of its divisors is an integer number (32275260).

Almost surely, 2^1072857770 is an apocalyptic number.

1072857770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072857770 is a deficient number, since it is larger than the sum of its proper divisors (992758870).

1072857770 is a wasteful number, since it uses less digits than its factorization.

1072857770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 192080, while the sum is 44.

The square root of 1072857770 is about 32754.5076287219. The cubic root of 1072857770 is about 1023.7188896381.

The spelling of 1072857770 in words is "one billion, seventy-two million, eight hundred fifty-seven thousand, seven hundred seventy".