7424457066 has 48 divisors (see below), whose sum is σ = 17391281544. Its totient is φ = 2275540992.

The previous prime is 7424457059. The next prime is 7424457083. The reversal of 7424457066 is 6607544247.

7424457066 is a `hidden beast` number, since 74 + 2 + 4 + 4 + 570 + 6 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7365244041 + 59213025 = 85821^2 + 7695^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1591 + ... + 121866.

Almost surely, 2^7424457066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7424457066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8695640772).

7424457066 is an abundant number, since it is smaller than the sum of its proper divisors (9966824478).

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

7424457066 is a wasteful number, since it uses less digits than its factorization.

7424457066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123735 (or 123732 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 7424457066 is about 86165.2892178747. The cubic root of 7424457066 is about 1950.8396179182.

The spelling of 7424457066 in words is "seven billion, four hundred twenty-four million, four hundred fifty-seven thousand, sixty-six".