1072684782 has 160 divisors (see below), whose sum is σ = 2689394400. Its totient is φ = 317509632.

The previous prime is 1072684771. The next prime is 1072684813. The reversal of 1072684782 is 2874862701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11058558 + ... + 11058654.

It is an arithmetic number, because the mean of its divisors is an integer number (16808715).

Almost surely, 2^1072684782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1072684782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344697200).

1072684782 is an abundant number, since it is smaller than the sum of its proper divisors (1616709618).

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

1072684782 is a wasteful number, since it uses less digits than its factorization.

1072684782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 1072684782 is about 32751.8668475554. The cubic root of 1072684782 is about 1023.6638650713.

The spelling of 1072684782 in words is "one billion, seventy-two million, six hundred eighty-four thousand, seven hundred eighty-two".