74209560742 has 8 divisors (see below), whose sum is σ = 111341286576. Its totient is φ = 37095798552.

The previous prime is 74209560727. The next prime is 74209560749. The reversal of 74209560742 is 24706590247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74209560692 and 74209560701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74209560749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4480578 + ... + 4497109.

It is an arithmetic number, because the mean of its divisors is an integer number (13917660822).

Almost surely, 2^74209560742 is an apocalyptic number.

74209560742 is a deficient number, since it is larger than the sum of its proper divisors (37131725834).

74209560742 is a wasteful number, since it uses less digits than its factorization.

74209560742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981822.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 74209560742 in words is "seventy-four billion, two hundred nine million, five hundred sixty thousand, seven hundred forty-two".