74521080325442 has 8 divisors (see below), whose sum is σ = 111789124165836. Its totient is φ = 37258038936832.

The previous prime is 74521080325339. The next prime is 74521080325469. The reversal of 74521080325442 is 24452308012547.

It can be written as a sum of positive squares in 2 ways, for example, as 74364217593961 + 156862731481 = 8623469^2 + 396059^2 .

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, 1250575703 + ... + 1250635290.

Almost surely, 2^{74521080325442} is an apocalyptic number.

74521080325442 is a deficient number, since it is larger than the sum of its proper divisors (37268043840394).

74521080325442 is a wasteful number, since it uses less digits than its factorization.

74521080325442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501225892.

The product of its (nonzero) digits is 2150400, while the sum is 47.

Adding to 74521080325442 its reverse (24452308012547), we get a palindrome (98973388337989).

The spelling of 74521080325442 in words is "seventy-four trillion, five hundred twenty-one billion, eighty million, three hundred twenty-five thousand, four hundred forty-two".