1073197944 has 256 divisors, whose sum is σ = 3725568000. Its totient is φ = 278691840.

The previous prime is 1073197943. The next prime is 1073197969. The reversal of 1073197944 is 4497913701.

It is a self number, because there is not a number n which added to its sum of digits gives 1073197944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073197943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1395192 + ... + 1395960.

It is an arithmetic number, because the mean of its divisors is an integer number (14553000).

Almost surely, 2^1073197944 is an apocalyptic number.

1073197944 is a gapful number since it is divisible by the number (14) 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 1073197944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862784000).

1073197944 is an abundant number, since it is smaller than the sum of its proper divisors (2652370056).

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

1073197944 is a wasteful number, since it uses less digits than its factorization.

1073197944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1073197944 is about 32759.6999986264. The cubic root of 1073197944 is about 1023.8270760040.

The spelling of 1073197944 in words is "one billion, seventy-three million, one hundred ninety-seven thousand, nine hundred forty-four".