7042738 has 16 divisors (see below), whose sum is σ = 11082816. Its totient is φ = 3350160.

The previous prime is 7042727. The next prime is 7042747. The reversal of 7042738 is 8372407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12748 + ... + 13288.

It is an arithmetic number, because the mean of its divisors is an integer number (692676).

Almost surely, 2^7042738 is an apocalyptic number.

7042738 is a deficient number, since it is larger than the sum of its proper divisors (4040078).

7042738 is a wasteful number, since it uses less digits than its factorization.

7042738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 7042738 is about 2653.8157434155. The cubic root of 7042738 is about 191.6816374780.

The spelling of 7042738 in words is "seven million, forty-two thousand, seven hundred thirty-eight".