1173743480 has 128 divisors (see below), whose sum is σ = 3326400000. Its totient is φ = 362783232.

The previous prime is 1173743479. The next prime is 1173743491. The reversal of 1173743480 is 843473711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152771 + ... + 160269.

It is an arithmetic number, because the mean of its divisors is an integer number (25987500).

Almost surely, 2^1173743480 is an apocalyptic number.

1173743480 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 1173743480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663200000).

1173743480 is an abundant number, since it is smaller than the sum of its proper divisors (2152656520).

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

1173743480 is a wasteful number, since it uses less digits than its factorization.

1173743480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1173743480 is about 34259.9398715176. The cubic root of 1173743480 is about 1054.8508672647.

The spelling of 1173743480 in words is "one billion, one hundred seventy-three million, seven hundred forty-three thousand, four hundred eighty".