1005742630 has 16 divisors (see below), whose sum is σ = 1812741840. Its totient is φ = 401762592.

The previous prime is 1005742603. The next prime is 1005742651. The reversal of 1005742630 is 362475001.

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 7 ways as a sum of consecutive naturals, for example, 58860 + ... + 73999.

It is an arithmetic number, because the mean of its divisors is an integer number (113296365).

Almost surely, 2^1005742630 is an apocalyptic number.

1005742630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005742630 is a deficient number, since it is larger than the sum of its proper divisors (806999210).

1005742630 is a wasteful number, since it uses less digits than its factorization.

1005742630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133623.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1005742630 is about 31713.4455712400. The cubic root of 1005742630 is about 1001.9105574456.

The spelling of 1005742630 in words is "one billion, five million, seven hundred forty-two thousand, six hundred thirty".