74542873480661 has 8 divisors (see below), whose sum is σ = 74649924052704. Its totient is φ = 74435824940400.

The previous prime is 74542873480651. The next prime is 74542873480679. The reversal of 74542873480661 is 16608437824547.

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

It is a cyclic number.

It is not a de Polignac number, because 74542873480661 - 2⁶ = 74542873480597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74542873480651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82692410 + ... + 83588996.

It is an arithmetic number, because the mean of its divisors is an integer number (9331240506588).

Almost surely, 2^{74542873480661} is an apocalyptic number.

It is an amenable number.

74542873480661 is a deficient number, since it is larger than the sum of its proper divisors (107050572043).

74542873480661 is a wasteful number, since it uses less digits than its factorization.

74542873480661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015891.

The product of its (nonzero) digits is 216760320, while the sum is 65.

The spelling of 74542873480661 in words is "seventy-four trillion, five hundred forty-two billion, eight hundred seventy-three million, four hundred eighty thousand, six hundred sixty-one".