74954398158 has 24 divisors (see below), whose sum is σ = 163918968408. Its totient is φ = 24751295952.

The previous prime is 74954398139. The next prime is 74954398283. The reversal of 74954398158 is 85189345947.

74954398158 is a `hidden beast` number, since 7 + 4 + 9 + 543 + 9 + 81 + 5 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 74954398095 and 74954398104.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 19456641 + ... + 19460492.

It is an arithmetic number, because the mean of its divisors is an integer number (6829957017).

Almost surely, 2^74954398158 is an apocalyptic number.

74954398158 is an abundant number, since it is smaller than the sum of its proper divisors (88964570250).

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

74954398158 is a wasteful number, since it uses less digits than its factorization.

74954398158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38917248 (or 38917245 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 74954398158 in words is "seventy-four billion, nine hundred fifty-four million, three hundred ninety-eight thousand, one hundred fifty-eight".