1068439724 has 12 divisors (see below), whose sum is σ = 2039748648. Its totient is φ = 485654400.

The previous prime is 1068439717. The next prime is 1068439751. The reversal of 1068439724 is 4279348601.

It is a super-2 number, since 2×1068439724² = 2283126887642392352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 24282721 = 1068439724 / (1 + 0 + 6 + 8 + 4 + 3 + 9 + 7 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12141317 + ... + 12141404.

It is an arithmetic number, because the mean of its divisors is an integer number (169979054).

Almost surely, 2^1068439724 is an apocalyptic number.

It is an amenable number.

1068439724 is a deficient number, since it is larger than the sum of its proper divisors (971308924).

1068439724 is a wasteful number, since it uses less digits than its factorization.

1068439724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24282736 (or 24282734 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1068439724 is about 32686.9962523325. The cubic root of 1068439724 is about 1022.3117258657.

The spelling of 1068439724 in words is "one billion, sixty-eight million, four hundred thirty-nine thousand, seven hundred twenty-four".