1067974872 has 32 divisors (see below), whose sum is σ = 2670997680. Its totient is φ = 355850240.

The previous prime is 1067974849. The next prime is 1067974903. The reversal of 1067974872 is 2784797601.

It is a super-2 number, since 2×1067974872² = 2281140654446832768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65668 + ... + 80300.

Almost surely, 2^1067974872 is an apocalyptic number.

1067974872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1067974872 is an abundant number, since it is smaller than the sum of its proper divisors (1603022808).

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

1067974872 is a wasteful number, since it uses less digits than its factorization.

1067974872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17683 (or 17679 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 51.

The square root of 1067974872 is about 32679.8848223185. The cubic root of 1067974872 is about 1022.1634434136.

The spelling of 1067974872 in words is "one billion, sixty-seven million, nine hundred seventy-four thousand, eight hundred seventy-two".