3740381647 has 4 divisors (see below), whose sum is σ = 3903006960. Its totient is φ = 3577756336.

The previous prime is 3740381627. The next prime is 3740381677. The reversal of 3740381647 is 7461830473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7461830473 = 11437 ⋅652429.

It is a cyclic number.

It is not a de Polignac number, because 3740381647 - 2¹⁵ = 3740348879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3740381627) 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, 81312622 + ... + 81312667.

It is an arithmetic number, because the mean of its divisors is an integer number (975751740).

Almost surely, 2^3740381647 is an apocalyptic number.

3740381647 is a deficient number, since it is larger than the sum of its proper divisors (162625313).

3740381647 is a wasteful number, since it uses less digits than its factorization.

3740381647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162625312.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 3740381647 is about 61158.6596239649. The cubic root of 3740381647 is about 1552.2868286465.

The spelling of 3740381647 in words is "three billion, seven hundred forty million, three hundred eighty-one thousand, six hundred forty-seven".