74444147040667 has 8 divisors (see below), whose sum is σ = 74514628155600. Its totient is φ = 74373685661184.

The previous prime is 74444147040647. The next prime is 74444147040707. The reversal of 74444147040667 is 76604074144447.

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 74444147040667 - 2⁷ = 74444147040539 is a prime.

It is a super-2 number, since 2×74444147040667² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74444147040617) 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, 2619384 + ... + 12479962.

It is an arithmetic number, because the mean of its divisors is an integer number (9314328519450).

Almost surely, 2^{74444147040667} is an apocalyptic number.

74444147040667 is a deficient number, since it is larger than the sum of its proper divisors (70481114933).

74444147040667 is a wasteful number, since it uses less digits than its factorization.

74444147040667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867725.

The product of its (nonzero) digits is 50577408, while the sum is 58.

The spelling of 74444147040667 in words is "seventy-four trillion, four hundred forty-four billion, one hundred forty-seven million, forty thousand, six hundred sixty-seven".