7450427530 has 96 divisors (see below), whose sum is σ = 16649193600. Its totient is φ = 2350423296.

The previous prime is 7450427527. The next prime is 7450427533. The reversal of 7450427530 is 357240547.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7450427527) and next prime (7450427533).

It is a self number, because there is not a number n which added to its sum of digits gives 7450427530.

It is not an unprimeable number, because it can be changed into a prime (7450427533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4601061 + ... + 4602679.

It is an arithmetic number, because the mean of its divisors is an integer number (173429100).

Almost surely, 2^7450427530 is an apocalyptic number.

7450427530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7450427530 is an abundant number, since it is smaller than the sum of its proper divisors (9198766070).

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

7450427530 is a wasteful number, since it uses less digits than its factorization.

7450427530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 7450427530 is about 86315.8590874238. The cubic root of 7450427530 is about 1953.1116247165. Note that the first 3 decimals are identical.

The spelling of 7450427530 in words is "seven billion, four hundred fifty million, four hundred twenty-seven thousand, five hundred thirty".