1368737727 has 32 divisors (see below), whose sum is σ = 2180236800. Its totient is φ = 763035840.

The previous prime is 1368737719. The next prime is 1368737753. The reversal of 1368737727 is 7277378631.

It is a happy number.

It is not a de Polignac number, because 1368737727 - 2³ = 1368737719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1368737727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368737627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25968 + ... + 58410.

It is an arithmetic number, because the mean of its divisors is an integer number (68132400).

Almost surely, 2^1368737727 is an apocalyptic number.

1368737727 is a deficient number, since it is larger than the sum of its proper divisors (811499073).

1368737727 is an equidigital number, since it uses as much as digits as its factorization.

1368737727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32508 (or 32494 counting only the distinct ones).

The product of its digits is 2074464, while the sum is 51.

The square root of 1368737727 is about 36996.4556005031. The cubic root of 1368737727 is about 1110.2993340914.

The spelling of 1368737727 in words is "one billion, three hundred sixty-eight million, seven hundred thirty-seven thousand, seven hundred twenty-seven".