1368836672 has 28 divisors (see below), whose sum is σ = 3104327040. Its totient is φ = 586644096.

The previous prime is 1368836669. The next prime is 1368836809. The reversal of 1368836672 is 2766388631.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×1368836672² = 3747427669224071168, 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 1368836672.

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, 1527272 + ... + 1528167.

Almost surely, 2^1368836672 is an apocalyptic number.

It is an amenable number.

1368836672 is an abundant number, since it is smaller than the sum of its proper divisors (1735490368).

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

1368836672 is an equidigital number, since it uses as much as digits as its factorization.

1368836672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055458 (or 3055448 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 1368836672 is about 36997.7927990306. The cubic root of 1368836672 is about 1110.3260876757.

The spelling of 1368836672 in words is "one billion, three hundred sixty-eight million, eight hundred thirty-six thousand, six hundred seventy-two".