1067215872 has 44 divisors (see below), whose sum is σ = 2844527576. Its totient is φ = 355737600.

The previous prime is 1067215871. The next prime is 1067215873. The reversal of 1067215872 is 2785127601.

It is an interprime number because it is at equal distance from previous prime (1067215871) and next prime (1067215873).

It is a super-2 number, since 2×1067215872² = 2277899434897440768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1067215872.

It is not an unprimeable number, because it can be changed into a prime (1067215871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170629 + ... + 176772.

It is an arithmetic number, because the mean of its divisors is an integer number (64648354).

Almost surely, 2^1067215872 is an apocalyptic number.

1067215872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1067215872 is an abundant number, since it is smaller than the sum of its proper divisors (1777311704).

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

1067215872 is an equidigital number, since it uses as much as digits as its factorization.

1067215872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347424 (or 347406 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 1067215872 is about 32668.2701103073. The cubic root of 1067215872 is about 1021.9212386151.

The spelling of 1067215872 in words is "one billion, sixty-seven million, two hundred fifteen thousand, eight hundred seventy-two".