7028147520 has 112 divisors (see below), whose sum is σ = 24793773120. Its totient is φ = 1874170368.

The previous prime is 7028147507. The next prime is 7028147527. The reversal of 7028147520 is 257418207.

7028147520 is a `hidden beast` number, since 70 + 28 + 1 + 47 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7028147527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398082 + ... + 415361.

Almost surely, 2^7028147520 is an apocalyptic number.

It is an amenable number.

7028147520 is an abundant number, since it is smaller than the sum of its proper divisors (17765625600).

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

7028147520 is a wasteful number, since it uses less digits than its factorization.

7028147520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813469 (or 813453 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 7028147520 is about 83834.0474986148. The cubic root of 7028147520 is about 1915.4917665304.

The spelling of 7028147520 in words is "seven billion, twenty-eight million, one hundred forty-seven thousand, five hundred twenty".