7290091424 has 144 divisors (see below), whose sum is σ = 18473023296. Its totient is φ = 2799820800.

The previous prime is 7290091411. The next prime is 7290091433. The reversal of 7290091424 is 4241900927.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221632 + ... + 1227584.

It is an arithmetic number, because the mean of its divisors is an integer number (128284884).

Almost surely, 2^7290091424 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 7290091424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9236511648).

7290091424 is an abundant number, since it is smaller than the sum of its proper divisors (11182931872).

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

7290091424 is a wasteful number, since it uses less digits than its factorization.

7290091424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059 (or 6044 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 7290091424 is about 85382.0322081877. The cubic root of 7290091424 is about 1938.9993266342. Note that the first 3 decimals are identical.

The spelling of 7290091424 in words is "seven billion, two hundred ninety million, ninety-one thousand, four hundred twenty-four".