7247527812 has 120 divisors (see below), whose sum is σ = 21699570816. Its totient is φ = 2066280192.

The previous prime is 7247527787. The next prime is 7247527813. The reversal of 7247527812 is 2187257427.

7247527812 is a `hidden beast` number, since 7 + 2 + 47 + 527 + 81 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (7247527813) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1137628 + ... + 1143980.

Almost surely, 2^7247527812 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 7247527812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10849785408).

7247527812 is an abundant number, since it is smaller than the sum of its proper divisors (14452043004).

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

7247527812 is a wasteful number, since it uses less digits than its factorization.

7247527812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879 (or 6868 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 7247527812 is about 85132.4134040613. The cubic root of 7247527812 is about 1935.2183059990.

The spelling of 7247527812 in words is "seven billion, two hundred forty-seven million, five hundred twenty-seven thousand, eight hundred twelve".