7247816982 has 40 divisors (see below), whose sum is σ = 18560550096. Its totient is φ = 2070804528.

The previous prime is 7247816981. The next prime is 7247816993. The reversal of 7247816982 is 2896187427.

It is a happy number.

7247816982 is a `hidden beast` number, since 7 + 2 + 478 + 169 + 8 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7247816981) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3194553 + ... + 3196820.

Almost surely, 2^7247816982 is an apocalyptic number.

7247816982 is an abundant number, since it is smaller than the sum of its proper divisors (11312733114).

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

7247816982 is a wasteful number, since it uses less digits than its factorization.

7247816982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391394 (or 6391385 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 7247816982 is about 85134.1117414166. Note that the first 3 decimals coincide. The cubic root of 7247816982 is about 1935.2440434942.

The spelling of 7247816982 in words is "seven billion, two hundred forty-seven million, eight hundred sixteen thousand, nine hundred eighty-two".