1068447730 has 32 divisors (see below), whose sum is σ = 2199459456. Its totient is φ = 366073344.

The previous prime is 1068447701. The next prime is 1068447733. The reversal of 1068447730 is 377448601.

It is a super-2 number, since 2×1068447730² = 2283161103484305800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068447733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117922 + ... + 126658.

It is an arithmetic number, because the mean of its divisors is an integer number (68733108).

Almost surely, 2^1068447730 is an apocalyptic number.

1068447730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1068447730 is an abundant number, since it is smaller than the sum of its proper divisors (1131011726).

1068447730 is a wasteful number, since it uses less digits than its factorization.

1068447730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1068447730 is about 32687.1187167055. The cubic root of 1068447730 is about 1022.3142793110.

The spelling of 1068447730 in words is "one billion, sixty-eight million, four hundred forty-seven thousand, seven hundred thirty".