3742730 has 16 divisors (see below), whose sum is σ = 6769224. Its totient is φ = 1489920.

The previous prime is 3742729. The next prime is 3742741. The reversal of 3742730 is 372473.

It can be written as a sum of positive squares in 4 ways, for example, as 2679769 + 1062961 = 1637^2 + 1031^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3742730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634 + ... + 3186.

Almost surely, 2^3742730 is an apocalyptic number.

3742730 is a deficient number, since it is larger than the sum of its proper divisors (3026494).

3742730 is a wasteful number, since it uses less digits than its factorization.

3742730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 3742730 is about 1934.6136565216. The cubic root of 3742730 is about 155.2611622135.

The spelling of 3742730 in words is "three million, seven hundred forty-two thousand, seven hundred thirty".