74243679042 has 32 divisors (see below), whose sum is σ = 160312324032. Its totient is φ = 22786657344.

The previous prime is 74243679017. The next prime is 74243679047. The reversal of 74243679042 is 24097634247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74243678982 and 74243679000.

It is not an unprimeable number, because it can be changed into a prime (74243679047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167828 + ... + 1229759.

It is an arithmetic number, because the mean of its divisors is an integer number (5009760126).

Almost surely, 2^74243679042 is an apocalyptic number.

74243679042 is an abundant number, since it is smaller than the sum of its proper divisors (86068644990).

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

74243679042 is a wasteful number, since it uses less digits than its factorization.

74243679042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398002.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 74243679042 in words is "seventy-four billion, two hundred forty-three million, six hundred seventy-nine thousand, forty-two".