1073078240 has 96 divisors (see below), whose sum is σ = 2796970176. Its totient is φ = 386519040.

The previous prime is 1073078221. The next prime is 1073078249. The reversal of 1073078240 is 428703701.

It is a happy number.

It is a super-2 number, since 2×1073078240² = 2302993818322995200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1073078197 and 1073078206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073078249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78989 + ... + 91571.

It is an arithmetic number, because the mean of its divisors is an integer number (29135106).

Almost surely, 2^1073078240 is an apocalyptic number.

1073078240 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 1073078240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398485088).

1073078240 is an abundant number, since it is smaller than the sum of its proper divisors (1723891936).

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

1073078240 is a wasteful number, since it uses less digits than its factorization.

1073078240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652 (or 12644 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 1073078240 is about 32757.8729468200. The cubic root of 1073078240 is about 1023.7890088566.

The spelling of 1073078240 in words is "one billion, seventy-three million, seventy-eight thousand, two hundred forty".