1368742972 has 12 divisors (see below), whose sum is σ = 2499443856. Its totient is φ = 654616160.

The previous prime is 1368742943. The next prime is 1368742987. The reversal of 1368742972 is 2792478631.

It is a happy number.

It is a congruent number.

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, 7438729 + ... + 7438912.

It is an arithmetic number, because the mean of its divisors is an integer number (208286988).

Almost surely, 2^1368742972 is an apocalyptic number.

It is an amenable number.

1368742972 is a deficient number, since it is larger than the sum of its proper divisors (1130700884).

1368742972 is a wasteful number, since it uses less digits than its factorization.

1368742972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14877668 (or 14877666 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 1368742972 is about 36996.5264856040. The cubic root of 1368742972 is about 1110.3007523112.

The spelling of 1368742972 in words is "one billion, three hundred sixty-eight million, seven hundred forty-two thousand, nine hundred seventy-two".