74543107738 has 8 divisors (see below), whose sum is σ = 121979630880. Its totient is φ = 33883230780.

The previous prime is 74543107729. The next prime is 74543107753. The reversal of 74543107738 is 83770134547.

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

It is a super-2 number, since 2×74543107738² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74543107691 and 74543107700.

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 3 ways as a sum of consecutive naturals, for example, 1694161518 + ... + 1694161561.

It is an arithmetic number, because the mean of its divisors is an integer number (15247453860).

Almost surely, 2^74543107738 is an apocalyptic number.

74543107738 is a deficient number, since it is larger than the sum of its proper divisors (47436523142).

74543107738 is a wasteful number, since it uses less digits than its factorization.

74543107738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388323092.

The product of its (nonzero) digits is 1975680, while the sum is 49.

It can be divided in two parts, 74543 and 107738, that added together give a palindrome (182281).

The spelling of 74543107738 in words is "seventy-four billion, five hundred forty-three million, one hundred seven thousand, seven hundred thirty-eight".