1078740 has 72 divisors (see below), whose sum is σ = 3531528. Its totient is φ = 264960.

The previous prime is 1078739. The next prime is 1078757. The reversal of 1078740 is 478701.

It can be written as a sum of positive squares in 4 ways, for example, as 1296 + 1077444 = 36^2 + 1038^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2110 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (49049).

2^1078740 is an apocalyptic number.

1078740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765764).

1078740 is an abundant number, since it is smaller than the sum of its proper divisors (2452788).

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

1078740 is a wasteful number, since it uses less digits than its factorization.

1078740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1078740 is about 1038.6240898419. The cubic root of 1078740 is about 102.5586418353.

The spelling of 1078740 in words is "one million, seventy-eight thousand, seven hundred forty".