74828145530 has 16 divisors (see below), whose sum is σ = 134744134824. Its totient is φ = 29919375360.

The previous prime is 74828145503. The next prime is 74828145593. The reversal of 74828145530 is 3554182847.

It can be written as a sum of positive squares in 4 ways, for example, as 53591787001 + 21236358529 = 231499^2 + 145727^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458887 + ... + 1509306.

Almost surely, 2^74828145530 is an apocalyptic number.

74828145530 is a deficient number, since it is larger than the sum of its proper divisors (59915989294).

74828145530 is a wasteful number, since it uses less digits than its factorization.

74828145530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970721.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 74828145530 in words is "seventy-four billion, eight hundred twenty-eight million, one hundred forty-five thousand, five hundred thirty".