74492743994 has 4 divisors (see below), whose sum is σ = 111739115994. Its totient is φ = 37246371996.

The previous prime is 74492743987. The next prime is 74492744083. The reversal of 74492743994 is 49934729447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57732075625 + 16760668369 = 240275^2 + 129463^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18623185997 + ... + 18623186000.

Almost surely, 2^74492743994 is an apocalyptic number.

74492743994 is a deficient number, since it is larger than the sum of its proper divisors (37246372000).

74492743994 is a wasteful number, since it uses less digits than its factorization.

74492743994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37246371999.

The product of its digits is 54867456, while the sum is 62.

The spelling of 74492743994 in words is "seventy-four billion, four hundred ninety-two million, seven hundred forty-three thousand, nine hundred ninety-four".