1047073785 has 32 divisors (see below), whose sum is σ = 1724526720. Its totient is φ = 542169600.

The previous prime is 1047073759. The next prime is 1047073787. The reversal of 1047073785 is 5873707401.

It is a happy number.

It is not a de Polignac number, because 1047073785 - 2⁹ = 1047073273 is a prime.

It is a super-2 number, since 2×1047073785² = 2192727022468452450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1047073787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125731 + ... + 133799.

It is an arithmetic number, because the mean of its divisors is an integer number (53891460).

Almost surely, 2^1047073785 is an apocalyptic number.

1047073785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047073785 is a deficient number, since it is larger than the sum of its proper divisors (677452935).

1047073785 is a wasteful number, since it uses less digits than its factorization.

1047073785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 1047073785 is about 32358.5195118689. The cubic root of 1047073785 is about 1015.4512896879.

It can be divided in two parts, 10470 and 73785, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 1047073785 in words is "one billion, forty-seven million, seventy-three thousand, seven hundred eighty-five".