3072742 has 8 divisors (see below), whose sum is σ = 4628232. Its totient is φ = 1530000.

The previous prime is 3072709. The next prime is 3072749. The reversal of 3072742 is 2472703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072749) 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 3 ways as a sum of consecutive naturals, for example, 2559 + ... + 3562.

It is an arithmetic number, because the mean of its divisors is an integer number (578529).

Almost surely, 2^3072742 is an apocalyptic number.

3072742 is a deficient number, since it is larger than the sum of its proper divisors (1555490).

3072742 is a wasteful number, since it uses less digits than its factorization.

3072742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6374.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 3072742 is about 1752.9238431832. The cubic root of 3072742 is about 145.3813505076.

The spelling of 3072742 in words is "three million, seventy-two thousand, seven hundred forty-two".