674073138247 has 8 divisors (see below), whose sum is σ = 688603634640. Its totient is φ = 659609758080.

The previous prime is 674073138239. The next prime is 674073138281. The reversal of 674073138247 is 742831370476.

It is a happy number.

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 674073138247 - 2³ = 674073138239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674073138194 and 674073138203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674073138287) 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, 16758754 + ... + 16798927.

It is an arithmetic number, because the mean of its divisors is an integer number (86075454330).

Almost surely, 2^674073138247 is an apocalyptic number.

674073138247 is a deficient number, since it is larger than the sum of its proper divisors (14530496393).

674073138247 is a wasteful number, since it uses less digits than its factorization.

674073138247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33558113.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 674073138247 in words is "six hundred seventy-four billion, seventy-three million, one hundred thirty-eight thousand, two hundred forty-seven".