74740734674 has 8 divisors (see below), whose sum is σ = 113221113228. Its totient is φ = 37000363600.

The previous prime is 74740734643. The next prime is 74740734683. The reversal of 74740734674 is 47643704747.

It can be written as a sum of positive squares in 2 ways, for example, as 59821822225 + 14918912449 = 244585^2 + 122143^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185001617 + ... + 185002020.

Almost surely, 2^74740734674 is an apocalyptic number.

74740734674 is a deficient number, since it is larger than the sum of its proper divisors (38480378554).

74740734674 is a wasteful number, since it uses less digits than its factorization.

74740734674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370003740.

The product of its (nonzero) digits is 11063808, while the sum is 53.

It can be divided in two parts, 7474073 and 4674, that added together give a palindrome (7478747).

The spelling of 74740734674 in words is "seventy-four billion, seven hundred forty million, seven hundred thirty-four thousand, six hundred seventy-four".