7130726428 has 24 divisors (see below), whose sum is σ = 14263435872. Its totient is φ = 3055600704.

The previous prime is 7130726419. The next prime is 7130726453. The reversal of 7130726428 is 8246270317.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 268350 + ... + 293722.

It is an arithmetic number, because the mean of its divisors is an integer number (594309828).

Almost surely, 2^7130726428 is an apocalyptic number.

It is an amenable number.

7130726428 is an abundant number, since it is smaller than the sum of its proper divisors (7132709444).

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

7130726428 is a wasteful number, since it uses less digits than its factorization.

7130726428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35421 (or 35419 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 7130726428 is about 84443.6286998611. The cubic root of 7130726428 is about 1924.7659402157.

The spelling of 7130726428 in words is "seven billion, one hundred thirty million, seven hundred twenty-six thousand, four hundred twenty-eight".