3742747761 has 8 divisors (see below), whose sum is σ = 5283879264. Its totient is φ = 2348390720.

The previous prime is 3742747739. The next prime is 3742747763. The reversal of 3742747761 is 1677472473.

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 3742747761 - 2⁷ = 3742747633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3742747761.

It is not an unprimeable number, because it can be changed into a prime (3742747763) 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, 36693555 + ... + 36693656.

It is an arithmetic number, because the mean of its divisors is an integer number (660484908).

Almost surely, 2^3742747761 is an apocalyptic number.

It is an amenable number.

3742747761 is a deficient number, since it is larger than the sum of its proper divisors (1541131503).

3742747761 is a wasteful number, since it uses less digits than its factorization.

3742747761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73387231.

The product of its digits is 1382976, while the sum is 48.

The square root of 3742747761 is about 61178.0006293112. Note that the first 3 decimals coincide. The cubic root of 3742747761 is about 1552.6140780863.

The spelling of 3742747761 in words is "three billion, seven hundred forty-two million, seven hundred forty-seven thousand, seven hundred sixty-one".