7042931 has 4 divisors (see below), whose sum is σ = 8049072. Its totient is φ = 6036792.

The previous prime is 7042907. The next prime is 7042933. The reversal of 7042931 is 1392407.

7042931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7042931 - 2¹⁰ = 7041907 is a prime.

It is a super-2 number, since 2×7042931² = 99205754141522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7042931.

It is not an unprimeable number, because it can be changed into a prime (7042933) 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, 503060 + ... + 503073.

It is an arithmetic number, because the mean of its divisors is an integer number (2012268).

Almost surely, 2^7042931 is an apocalyptic number.

7042931 is a deficient number, since it is larger than the sum of its proper divisors (1006141).

7042931 is a wasteful number, since it uses less digits than its factorization.

7042931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006140.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 7042931 is about 2653.8521059019. The cubic root of 7042931 is about 191.6833884172.

The spelling of 7042931 in words is "seven million, forty-two thousand, nine hundred thirty-one".