7042257401 has 8 divisors (see below), whose sum is σ = 7057860384. Its totient is φ = 7026670080.

The previous prime is 7042257389. The next prime is 7042257407. The reversal of 7042257401 is 1047522407.

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-7042257401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7042257407) 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, 1409630 + ... + 1414616.

It is an arithmetic number, because the mean of its divisors is an integer number (882232548).

Almost surely, 2^7042257401 is an apocalyptic number.

It is an amenable number.

7042257401 is a deficient number, since it is larger than the sum of its proper divisors (15602983).

7042257401 is a wasteful number, since it uses less digits than its factorization.

7042257401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7831.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 7042257401 is about 83918.1589466785. The cubic root of 7042257401 is about 1916.7727723725.

Adding to 7042257401 its reverse (1047522407), we get a palindrome (8089779808).

The spelling of 7042257401 in words is "seven billion, forty-two million, two hundred fifty-seven thousand, four hundred one".