3705540506 has 4 divisors (see below), whose sum is σ = 5558310762. Its totient is φ = 1852770252.

The previous prime is 3705540499. The next prime is 3705540547. The reversal of 3705540506 is 6050455073.

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

It can be written as a sum of positive squares in only one way, i.e., 2671339225 + 1034201281 = 51685^2 + 32159^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926385125 + ... + 926385128.

Almost surely, 2^3705540506 is an apocalyptic number.

3705540506 is a deficient number, since it is larger than the sum of its proper divisors (1852770256).

3705540506 is a wasteful number, since it uses less digits than its factorization.

3705540506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852770255.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 3705540506 is about 60873.1509452238. The cubic root of 3705540506 is about 1547.4520060314.

Adding to 3705540506 its reverse (6050455073), we get a palindrome (9755995579).

The spelling of 3705540506 in words is "three billion, seven hundred five million, five hundred forty thousand, five hundred six".