1005554970 has 144 divisors (see below), whose sum is σ = 3071154528. Its totient is φ = 227586240.

The previous prime is 1005554969. The next prime is 1005554983. The reversal of 1005554970 is 794555001.

1005554970 is a `hidden beast` number, since 10 + 0 + 5 + 554 + 97 + 0 = 666.

It is a super-2 number, since 2×1005554970² = 2022281595383401800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 470805 + ... + 472935.

It is an arithmetic number, because the mean of its divisors is an integer number (21327462).

Almost surely, 2^1005554970 is an apocalyptic number.

1005554970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005554970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535577264).

1005554970 is an abundant number, since it is smaller than the sum of its proper divisors (2065599558).

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

1005554970 is a wasteful number, since it uses less digits than its factorization.

1005554970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 1005554970 is about 31710.4867512311. The cubic root of 1005554970 is about 1001.8482385763.

It can be divided in two parts, 10055 and 54970, that added together give a square (65025 = 255²).

The spelling of 1005554970 in words is "one billion, five million, five hundred fifty-four thousand, nine hundred seventy".