74081377007 has 4 divisors (see below), whose sum is σ = 80816047656. Its totient is φ = 67346706360.

The previous prime is 74081376997. The next prime is 74081377039. The reversal of 74081377007 is 70077318047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74081377007 - 2¹⁴ = 74081360623 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 (74081377057) 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, 3367335308 + ... + 3367335329.

It is an arithmetic number, because the mean of its divisors is an integer number (20204011914).

Almost surely, 2^74081377007 is an apocalyptic number.

74081377007 is a deficient number, since it is larger than the sum of its proper divisors (6734670649).

74081377007 is a wasteful number, since it uses less digits than its factorization.

74081377007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734670648.

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 74081377007 in words is "seventy-four billion, eighty-one million, three hundred seventy-seven thousand, seven".