74112136530 has 64 divisors (see below), whose sum is σ = 181309788288. Its totient is φ = 19384601600.

The previous prime is 74112136523. The next prime is 74112136613. The reversal of 74112136530 is 3563121147.

It is a junction number, because it is equal to n+sod(n) for n = 74112136491 and 74112136500.

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 31 ways as a sum of consecutive naturals, for example, 209914 + ... + 438506.

It is an arithmetic number, because the mean of its divisors is an integer number (2832965442).

Almost surely, 2^74112136530 is an apocalyptic number.

74112136530 is an abundant number, since it is smaller than the sum of its proper divisors (107197651758).

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

74112136530 is a wasteful number, since it uses less digits than its factorization.

74112136530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228811.

The product of its (nonzero) digits is 15120, while the sum is 33.

Adding to 74112136530 its reverse (3563121147), we get a palindrome (77675257677).

The spelling of 74112136530 in words is "seventy-four billion, one hundred twelve million, one hundred thirty-six thousand, five hundred thirty".