1078273434 has 64 divisors (see below), whose sum is σ = 2564554752. Its totient is φ = 295747200.

The previous prime is 1078273423. The next prime is 1078273481. The reversal of 1078273434 is 4343728701.

It is a junction number, because it is equal to n+sod(n) for n = 1078273392 and 1078273401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162094 + ... + 168614.

It is an arithmetic number, because the mean of its divisors is an integer number (40071168).

Almost surely, 2^1078273434 is an apocalyptic number.

1078273434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078273434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282277376).

1078273434 is an abundant number, since it is smaller than the sum of its proper divisors (1486281318).

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

1078273434 is a wasteful number, since it uses less digits than its factorization.

1078273434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 1078273434 is about 32837.0740779382. The cubic root of 1078273434 is about 1025.4385381859.

The spelling of 1078273434 in words is "one billion, seventy-eight million, two hundred seventy-three thousand, four hundred thirty-four".