5491371072 has 336 divisors, whose sum is σ = 17123420160. Its totient is φ = 1548180480.

The previous prime is 5491371071. The next prime is 5491371079. The reversal of 5491371072 is 2701731945.

It is a self number, because there is not a number n which added to its sum of digits gives 5491371072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491371071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22976329 + ... + 22976567.

It is an arithmetic number, because the mean of its divisors is an integer number (50962560).

Almost surely, 2^5491371072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5491371072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8561710080).

5491371072 is an abundant number, since it is smaller than the sum of its proper divisors (11632049088).

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

5491371072 is a wasteful number, since it uses less digits than its factorization.

5491371072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 5491371072 is about 74103.7858142214. The cubic root of 5491371072 is about 1764.2505595825.

The spelling of 5491371072 in words is "five billion, four hundred ninety-one million, three hundred seventy-one thousand, seventy-two".