1005734880 has 240 divisors, whose sum is σ = 3602690784. Its totient is φ = 264176640.

The previous prime is 1005734843. The next prime is 1005734893. The reversal of 1005734880 is 884375001.

1005734880 is a `hidden beast` number, since 1 + 0 + 0 + 573 + 4 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×1005734880² = 2023005297697228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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 39 ways as a sum of consecutive naturals, for example, 919614 + ... + 920706.

Almost surely, 2^1005734880 is an apocalyptic number.

1005734880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005734880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801345392).

1005734880 is an abundant number, since it is smaller than the sum of its proper divisors (2596955904).

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

1005734880 is a wasteful number, since it uses less digits than its factorization.

1005734880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1005734880 is about 31713.3233830830. The cubic root of 1005734880 is about 1001.9079839486.

The spelling of 1005734880 in words is "one billion, five million, seven hundred thirty-four thousand, eight hundred eighty".