1072878340 has 24 divisors (see below), whose sum is σ = 2267401752. Its totient is φ = 426416640.

The previous prime is 1072878319. The next prime is 1072878371. The reversal of 1072878340 is 438782701.

It can be written as a sum of positive squares in 4 ways, for example, as 307581444 + 765296896 = 17538^2 + 27664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1072878293 and 1072878302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167701 + ... + 173980.

It is an arithmetic number, because the mean of its divisors is an integer number (94475073).

Almost surely, 2^1072878340 is an apocalyptic number.

1072878340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072878340 is an abundant number, since it is smaller than the sum of its proper divisors (1194523412).

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

1072878340 is a wasteful number, since it uses less digits than its factorization.

1072878340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341847 (or 341845 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 1072878340 is about 32754.8216297998. The cubic root of 1072878340 is about 1023.7254322149.

The spelling of 1072878340 in words is "one billion, seventy-two million, eight hundred seventy-eight thousand, three hundred forty".