74626542012794 has 4 divisors (see below), whose sum is σ = 111939813019194. Its totient is φ = 37313271006396.

The previous prime is 74626542012793. The next prime is 74626542012829. The reversal of 74626542012794 is 49721024562647.

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., 54739089596569 + 19887452416225 = 7398587^2 + 4459535^2 .

It is not an unprimeable number, because it can be changed into a prime (74626542012793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18656635503197 + ... + 18656635503200.

Almost surely, 2^{74626542012794} is an apocalyptic number.

74626542012794 is a deficient number, since it is larger than the sum of its proper divisors (37313271006400).

74626542012794 is a wasteful number, since it uses less digits than its factorization.

74626542012794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37313271006399.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 74626542012794 in words is "seventy-four trillion, six hundred twenty-six billion, five hundred forty-two million, twelve thousand, seven hundred ninety-four".