7274878530 has 32 divisors (see below), whose sum is σ = 17680723200. Its totient is φ = 1915410432.

The previous prime is 7274878529. The next prime is 7274878547. The reversal of 7274878530 is 358784727.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532415 + ... + 1537154.

It is an arithmetic number, because the mean of its divisors is an integer number (552522600).

Almost surely, 2^7274878530 is an apocalyptic number.

7274878530 is an abundant number, since it is smaller than the sum of its proper divisors (10405844670).

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

7274878530 is a wasteful number, since it uses less digits than its factorization.

7274878530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069658.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The square root of 7274878530 is about 85292.8984734368. The cubic root of 7274878530 is about 1937.6496255172.

The spelling of 7274878530 in words is "seven billion, two hundred seventy-four million, eight hundred seventy-eight thousand, five hundred thirty".