3747740669 has 4 divisors (see below), whose sum is σ = 3839149020. Its totient is φ = 3656332320.

The previous prime is 3747740639. The next prime is 3747740683. The reversal of 3747740669 is 9660477473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 865124569 + 2882616100 = 29413^2 + 53690^2 .

It is a cyclic number.

It is not a de Polignac number, because 3747740669 - 2⁸ = 3747740413 is a prime.

It is a super-2 number, since 2×3747740669² = 28091120244153135122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3747740669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3747740639) 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, 45704114 + ... + 45704195.

It is an arithmetic number, because the mean of its divisors is an integer number (959787255).

Almost surely, 2^3747740669 is an apocalyptic number.

It is an amenable number.

3747740669 is a deficient number, since it is larger than the sum of its proper divisors (91408351).

3747740669 is an equidigital number, since it uses as much as digits as its factorization.

3747740669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91408350.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The square root of 3747740669 is about 61218.7934297957. The cubic root of 3747740669 is about 1553.3041784403.

The spelling of 3747740669 in words is "three billion, seven hundred forty-seven million, seven hundred forty thousand, six hundred sixty-nine".