1074721320 has 192 divisors, whose sum is σ = 3730147200. Its totient is φ = 267563520.

The previous prime is 1074721313. The next prime is 1074721321. The reversal of 1074721320 is 231274701.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1074721321) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 484534 + ... + 486746.

It is an arithmetic number, because the mean of its divisors is an integer number (19427850).

Almost surely, 2^1074721320 is an apocalyptic number.

1074721320 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 1074721320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865073600).

1074721320 is an abundant number, since it is smaller than the sum of its proper divisors (2655425880).

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

1074721320 is a wasteful number, since it uses less digits than its factorization.

1074721320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1074721320 is about 32782.9425158877. The cubic root of 1074721320 is about 1024.3112787597.

The spelling of 1074721320 in words is "one billion, seventy-four million, seven hundred twenty-one thousand, three hundred twenty".