31674624745 has 8 divisors (see below), whose sum is σ = 38111454216. Its totient is φ = 25271763456.

The previous prime is 31674624721. The next prime is 31674624809. The reversal of 31674624745 is 54742647613.

It can be written as a sum of positive squares in 4 ways, for example, as 9608116441 + 22066508304 = 98021^2 + 148548^2 .

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 31674624745 - 2⁷ = 31674624617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8489992 + ... + 8493721.

It is an arithmetic number, because the mean of its divisors is an integer number (4763931777).

Almost surely, 2^31674624745 is an apocalyptic number.

It is an amenable number.

31674624745 is a deficient number, since it is larger than the sum of its proper divisors (6436829471).

31674624745 is a wasteful number, since it uses less digits than its factorization.

31674624745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16984091.

The product of its digits is 3386880, while the sum is 49.

The spelling of 31674624745 in words is "thirty-one billion, six hundred seventy-four million, six hundred twenty-four thousand, seven hundred forty-five".