4072342 has 4 divisors (see below), whose sum is σ = 6108516. Its totient is φ = 2036170.

The previous prime is 4072337. The next prime is 4072399. The reversal of 4072342 is 2432704.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018084 + ... + 1018087.

It is an arithmetic number, because the mean of its divisors is an integer number (1527129).

Almost surely, 2^4072342 is an apocalyptic number.

4072342 is a deficient number, since it is larger than the sum of its proper divisors (2036174).

4072342 is a wasteful number, since it uses less digits than its factorization.

4072342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036173.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 4072342 is about 2018.0044598563. The cubic root of 4072342 is about 159.6913581341.

The spelling of 4072342 in words is "four million, seventy-two thousand, three hundred forty-two".