3750005 has 16 divisors (see below), whose sum is σ = 5174400. Its totient is φ = 2555712.

The previous prime is 3750001. The next prime is 3750017. The reversal of 3750005 is 5000573.

It is a cyclic number.

It is not a de Polignac number, because 3750005 - 2² = 3750001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3750001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10571 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (323400).

Almost surely, 2^3750005 is an apocalyptic number.

3750005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3750005 is a deficient number, since it is larger than the sum of its proper divisors (1424395).

3750005 is a wasteful number, since it uses less digits than its factorization.

3750005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 3750005 is about 1936.4929640977. The cubic root of 3750005 is about 155.3616943473.

Adding to 3750005 its reverse (5000573), we get a palindrome (8750578).

The spelling of 3750005 in words is "three million, seven hundred fifty thousand, five".