74112247830 has 64 divisors (see below), whose sum is σ = 189155010240. Its totient is φ = 18519465984.

The previous prime is 74112247829. The next prime is 74112247843. The reversal of 74112247830 is 3874221147.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200499 + ... + 434078.

It is an arithmetic number, because the mean of its divisors is an integer number (2955547035).

Almost surely, 2^74112247830 is an apocalyptic number.

74112247830 is an abundant number, since it is smaller than the sum of its proper divisors (115042762410).

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

74112247830 is a wasteful number, since it uses less digits than its factorization.

74112247830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634833.

The product of its (nonzero) digits is 75264, while the sum is 39.

Adding to 74112247830 its reverse (3874221147), we get a palindrome (77986468977).

The spelling of 74112247830 in words is "seventy-four billion, one hundred twelve million, two hundred forty-seven thousand, eight hundred thirty".