3746331647 has 4 divisors (see below), whose sum is σ = 3746575800. Its totient is φ = 3746087496.

The previous prime is 3746331637. The next prime is 3746331649. The reversal of 3746331647 is 7461336473.

It is a happy number.

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 3746331647 - 2⁶ = 3746331583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3746331598 and 3746331607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3746331649) 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, 97397 + ... + 130302.

It is an arithmetic number, because the mean of its divisors is an integer number (936643950).

Almost surely, 2^3746331647 is an apocalyptic number.

3746331647 is a deficient number, since it is larger than the sum of its proper divisors (244153).

3746331647 is a wasteful number, since it uses less digits than its factorization.

3746331647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244152.

The product of its digits is 762048, while the sum is 44.

The square root of 3746331647 is about 61207.2842642116. The cubic root of 3746331647 is about 1553.1094910011.

The spelling of 3746331647 in words is "three billion, seven hundred forty-six million, three hundred thirty-one thousand, six hundred forty-seven".