3742905 has 32 divisors (see below), whose sum is σ = 6589440. Its totient is φ = 1805760.

The previous prime is 3742891. The next prime is 3742919. The reversal of 3742905 is 5092473.

It is an interprime number because it is at equal distance from previous prime (3742891) and next prime (3742919).

It is not a de Polignac number, because 3742905 - 2⁶ = 3742841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6270 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

Almost surely, 2^3742905 is an apocalyptic number.

It is an amenable number.

3742905 is a deficient number, since it is larger than the sum of its proper divisors (2846535).

3742905 is a wasteful number, since it uses less digits than its factorization.

3742905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3742905 is about 1934.6588846616. The cubic root of 3742905 is about 155.2635820407.

The spelling of 3742905 in words is "three million, seven hundred forty-two thousand, nine hundred five".