74651643030 has 32 divisors (see below), whose sum is σ = 186953681664. Its totient is φ = 19041578336.

The previous prime is 74651643019. The next prime is 74651643037. The reversal of 74651643030 is 3034615647.

It is a self number, because there is not a number n which added to its sum of digits gives 74651643030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74651643037) by changing a digit.

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, 54094704 + ... + 54096083.

It is an arithmetic number, because the mean of its divisors is an integer number (5842302552).

Almost surely, 2^74651643030 is an apocalyptic number.

74651643030 is an abundant number, since it is smaller than the sum of its proper divisors (112302038634).

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

74651643030 is a wasteful number, since it uses less digits than its factorization.

74651643030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108190820.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 74651643030 in words is "seventy-four billion, six hundred fifty-one million, six hundred forty-three thousand, thirty".