7457551328 has 48 divisors (see below), whose sum is σ = 14884321536. Its totient is φ = 3677562240.

The previous prime is 7457551327. The next prime is 7457551331. The reversal of 7457551328 is 8231557547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457551327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811993 + ... + 1816103.

It is an arithmetic number, because the mean of its divisors is an integer number (310090032).

Almost surely, 2^7457551328 is an apocalyptic number.

It is an amenable number.

7457551328 is a deficient number, since it is larger than the sum of its proper divisors (7426770208).

7457551328 is a wasteful number, since it uses less digits than its factorization.

7457551328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887 (or 4879 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 47.

The square root of 7457551328 is about 86357.1150977150. The cubic root of 7457551328 is about 1953.7339219136.

The spelling of 7457551328 in words is "seven billion, four hundred fifty-seven million, five hundred fifty-one thousand, three hundred twenty-eight".