4072942 has 8 divisors (see below), whose sum is σ = 6124536. Its totient is φ = 2031432.

The previous prime is 4072931. The next prime is 4072949. The reversal of 4072942 is 2492704.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4072942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413 + ... + 3184.

It is an arithmetic number, because the mean of its divisors is an integer number (765567).

Almost surely, 2^4072942 is an apocalyptic number.

4072942 is a deficient number, since it is larger than the sum of its proper divisors (2051594).

4072942 is a wasteful number, since it uses less digits than its factorization.

4072942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4072942 is about 2018.1531160940. The cubic root of 4072942 is about 159.6992004772.

The spelling of 4072942 in words is "four million, seventy-two thousand, nine hundred forty-two".