7042481 has 8 divisors (see below), whose sum is σ = 7260840. Its totient is φ = 6827392.

The previous prime is 7042459. The next prime is 7042493. The reversal of 7042481 is 1842407.

It can be written as a sum of positive squares in 4 ways, for example, as 1934881 + 5107600 = 1391^2 + 2260^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7042481 is a prime.

It is a super-2 number, since 2×7042481² = 99193077270722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7042481.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3971 + ... + 5463.

It is an arithmetic number, because the mean of its divisors is an integer number (907605).

Almost surely, 2^7042481 is an apocalyptic number.

It is an amenable number.

7042481 is a deficient number, since it is larger than the sum of its proper divisors (218359).

7042481 is a wasteful number, since it uses less digits than its factorization.

7042481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 7042481 is about 2653.7673221291. The cubic root of 7042481 is about 191.6793058668.

Adding to 7042481 its reverse (1842407), we get a palindrome (8884888).

The spelling of 7042481 in words is "seven million, forty-two thousand, four hundred eighty-one".