74144242402 has 8 divisors (see below), whose sum is σ = 111230754012. Its totient is φ = 37067324400.

The previous prime is 74144242351. The next prime is 74144242433. The reversal of 74144242402 is 20424244147.

It can be written as a sum of positive squares in 2 ways, for example, as 66435578001 + 7708664401 = 257751^2 + 87799^2 .

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

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, 2379049 + ... + 2410012.

Almost surely, 2^74144242402 is an apocalyptic number.

74144242402 is a deficient number, since it is larger than the sum of its proper divisors (37086511610).

74144242402 is a wasteful number, since it uses less digits than its factorization.

74144242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796804.

The product of its (nonzero) digits is 57344, while the sum is 34.

Adding to 74144242402 its reverse (20424244147), we get a palindrome (94568486549).

The spelling of 74144242402 in words is "seventy-four billion, one hundred forty-four million, two hundred forty-two thousand, four hundred two".