7042401 has 6 divisors (see below), whose sum is σ = 10172370. Its totient is φ = 4694928.

The previous prime is 7042391. The next prime is 7042421. The reversal of 7042401 is 1042407.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 767376 = 2505^2 + 876^2 .

It is not a de Polignac number, because 7042401 - 2⁶ = 7042337 is a prime.

It is a super-3 number, since 3×7042401³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7042421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391236 + ... + 391253.

It is an arithmetic number, because the mean of its divisors is an integer number (1695395).

Almost surely, 2^7042401 is an apocalyptic number.

It is an amenable number.

7042401 is a deficient number, since it is larger than the sum of its proper divisors (3129969).

7042401 is a wasteful number, since it uses less digits than its factorization.

7042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782495 (or 782492 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7042401 is about 2653.7522491747. The cubic root of 7042401 is about 191.6785800618.

Adding to 7042401 its reverse (1042407), we get a palindrome (8084808).

The spelling of 7042401 in words is "seven million, forty-two thousand, four hundred one".