74410685542 has 4 divisors (see below), whose sum is σ = 111616028316. Its totient is φ = 37205342770.

The previous prime is 74410685539. The next prime is 74410685563. The reversal of 74410685542 is 24558601447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24558601447 = 277 ⋅88659211.

It is a junction number, because it is equal to n+sod(n) for n = 74410685492 and 74410685501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18602671384 + ... + 18602671387.

It is an arithmetic number, because the mean of its divisors is an integer number (27904007079).

Almost surely, 2^74410685542 is an apocalyptic number.

74410685542 is a deficient number, since it is larger than the sum of its proper divisors (37205342774).

74410685542 is a wasteful number, since it uses less digits than its factorization.

74410685542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37205342773.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 74410685542 in words is "seventy-four billion, four hundred ten million, six hundred eighty-five thousand, five hundred forty-two".