1368740 has 12 divisors (see below), whose sum is σ = 2874396. Its totient is φ = 547488.

The previous prime is 1368739. The next prime is 1368761. The reversal of 1368740 is 478631.

It can be written as a sum of positive squares in 2 ways, for example, as 649636 + 719104 = 806^2 + 848^2 .

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, 34199 + ... + 34238.

It is an arithmetic number, because the mean of its divisors is an integer number (239533).

2^1368740 is an apocalyptic number.

1368740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368740 is an abundant number, since it is smaller than the sum of its proper divisors (1505656).

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

1368740 is a wasteful number, since it uses less digits than its factorization.

1368740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68446 (or 68444 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1368740 is about 1169.9316219335. The cubic root of 1368740 is about 111.0299948699.

The spelling of 1368740 in words is "one million, three hundred sixty-eight thousand, seven hundred forty".