1069705494 has 128 divisors (see below), whose sum is σ = 2828044800. Its totient is φ = 295436160.

The previous prime is 1069705489. The next prime is 1069705531. The reversal of 1069705494 is 4945079601.

1069705494 is a `hidden beast` number, since 10 + 6 + 97 + 0 + 549 + 4 = 666.

It is a super-2 number, since 2×1069705494² = 2288539687787568072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 640092 + ... + 641760.

It is an arithmetic number, because the mean of its divisors is an integer number (22094100).

Almost surely, 2^1069705494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1069705494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414022400).

1069705494 is an abundant number, since it is smaller than the sum of its proper divisors (1758339306).

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

1069705494 is a wasteful number, since it uses less digits than its factorization.

1069705494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1069705494 is about 32706.3525022281. The cubic root of 1069705494 is about 1022.7152740863.

The spelling of 1069705494 in words is "one billion, sixty-nine million, seven hundred five thousand, four hundred ninety-four".