3142730 has 16 divisors (see below), whose sum is σ = 5852520. Its totient is φ = 1213632.

The previous prime is 3142729. The next prime is 3142747. The reversal of 3142730 is 372413.

It can be written as a sum of positive squares in 4 ways, for example, as 2128681 + 1014049 = 1459^2 + 1007^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129 + ... + 5708.

Almost surely, 2^3142730 is an apocalyptic number.

3142730 is a deficient number, since it is larger than the sum of its proper divisors (2709790).

3142730 is a wasteful number, since it uses less digits than its factorization.

3142730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3142730 is about 1772.7746613713. The cubic root of 3142730 is about 146.4768607624.

The spelling of 3142730 in words is "three million, one hundred forty-two thousand, seven hundred thirty".