3142740 has 24 divisors (see below), whose sum is σ = 8799840. Its totient is φ = 838048.

The previous prime is 3142729. The next prime is 3142747. The reversal of 3142740 is 472413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142747) by changing a digit.

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, 26130 + ... + 26249.

It is an arithmetic number, because the mean of its divisors is an integer number (366660).

Almost surely, 2^3142740 is an apocalyptic number.

3142740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3142740 is an abundant number, since it is smaller than the sum of its proper divisors (5657100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3142740 is a wasteful number, since it uses less digits than its factorization.

3142740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52391 (or 52389 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 3142740 is about 1772.7774818064. Note that the first 3 decimals coincide. The cubic root of 3142740 is about 146.4770161228.

The spelling of 3142740 in words is "three million, one hundred forty-two thousand, seven hundred forty".