7534953420 has 192 divisors, whose sum is σ = 22337320320. Its totient is φ = 1895104512.

The previous prime is 7534953407. The next prime is 7534953487. The reversal of 7534953420 is 243594357.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17401524 + ... + 17401956.

It is an arithmetic number, because the mean of its divisors is an integer number (116340210).

Almost surely, 2^7534953420 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 7534953420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11168660160).

7534953420 is an abundant number, since it is smaller than the sum of its proper divisors (14802366900).

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

7534953420 is a wasteful number, since it uses less digits than its factorization.

7534953420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 7534953420 is about 86804.1094649326. The cubic root of 7534953420 is about 1960.4699536010.

The spelling of 7534953420 in words is "seven billion, five hundred thirty-four million, nine hundred fifty-three thousand, four hundred twenty".