74367082991 has 8 divisors (see below), whose sum is σ = 76979865600. Its totient is φ = 71767665720.

The previous prime is 74367082987. The next prime is 74367083003. The reversal of 74367082991 is 19928076347.

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 74367082991 - 2² = 74367082987 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 (74367082891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330011 + ... + 3352268.

It is an arithmetic number, because the mean of its divisors is an integer number (9622483200).

Almost surely, 2^74367082991 is an apocalyptic number.

74367082991 is a deficient number, since it is larger than the sum of its proper divisors (2612782609).

74367082991 is a wasteful number, since it uses less digits than its factorization.

74367082991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682669.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 74367082991 in words is "seventy-four billion, three hundred sixty-seven million, eighty-two thousand, nine hundred ninety-one".