74466426617 has 4 divisors (see below), whose sum is σ = 81236101776. Its totient is φ = 67696751460.

The previous prime is 74466426599. The next prime is 74466426623. The reversal of 74466426617 is 71662466447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74466426617 - 2¹² = 74466422521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74466426677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3384837563 + ... + 3384837584.

It is an arithmetic number, because the mean of its divisors is an integer number (20309025444).

Almost surely, 2^74466426617 is an apocalyptic number.

It is an amenable number.

74466426617 is a deficient number, since it is larger than the sum of its proper divisors (6769675159).

74466426617 is a wasteful number, since it uses less digits than its factorization.

74466426617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769675158.

The product of its digits is 8128512, while the sum is 53.

The spelling of 74466426617 in words is "seventy-four billion, four hundred sixty-six million, four hundred twenty-six thousand, six hundred seventeen".