674399747 has 8 divisors (see below), whose sum is σ = 771016800. Its totient is φ = 577851264.

The previous prime is 674399743. The next prime is 674399773. The reversal of 674399747 is 747993476.

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 674399747 - 2² = 674399743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674399692 and 674399701.

It is not an unprimeable number, because it can be changed into a prime (674399743) 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, 6029 + ... + 37217.

It is an arithmetic number, because the mean of its divisors is an integer number (96377100).

Almost surely, 2^674399747 is an apocalyptic number.

674399747 is a deficient number, since it is larger than the sum of its proper divisors (96617053).

674399747 is a wasteful number, since it uses less digits than its factorization.

674399747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34285.

The product of its digits is 8001504, while the sum is 56.

The square root of 674399747 is about 25969.2076698539. The cubic root of 674399747 is about 876.9452220653.

The spelling of 674399747 in words is "six hundred seventy-four million, three hundred ninety-nine thousand, seven hundred forty-seven".