7042397 has 4 divisors (see below), whose sum is σ = 7081920. Its totient is φ = 7002876.

The previous prime is 7042391. The next prime is 7042421. The reversal of 7042397 is 7932407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7042397 - 2¹⁰ = 7041373 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042391) 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, 19493 + ... + 19850.

It is an arithmetic number, because the mean of its divisors is an integer number (1770480).

Almost surely, 2^7042397 is an apocalyptic number.

It is an amenable number.

7042397 is a deficient number, since it is larger than the sum of its proper divisors (39523).

7042397 is a wasteful number, since it uses less digits than its factorization.

7042397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39522.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 7042397 is about 2653.7514955248. The cubic root of 7042397 is about 191.6785437714.

The spelling of 7042397 in words is "seven million, forty-two thousand, three hundred ninety-seven".