3744727731 has 12 divisors (see below), whose sum is σ = 5423179008. Its totient is φ = 2489964624.

The previous prime is 3744727711. The next prime is 3744727757. The reversal of 3744727731 is 1377274473.

3744727731 is a `hidden beast` number, since 374 + 4 + 7 + 277 + 3 + 1 = 666.

3744727731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3744727731 - 2⁷ = 3744727603 is a prime.

It is a super-2 number, since 2×3744727731² = 28045971558640816722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3744727711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539740 + ... + 546633.

It is an arithmetic number, because the mean of its divisors is an integer number (451931584).

Almost surely, 2^3744727731 is an apocalyptic number.

3744727731 is a deficient number, since it is larger than the sum of its proper divisors (1678451277).

3744727731 is a wasteful number, since it uses less digits than its factorization.

3744727731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086762 (or 1086759 counting only the distinct ones).

The product of its digits is 691488, while the sum is 45.

The square root of 3744727731 is about 61194.1805321388. The cubic root of 3744727731 is about 1552.8878152410.

The spelling of 3744727731 in words is "three billion, seven hundred forty-four million, seven hundred twenty-seven thousand, seven hundred thirty-one".