7042578752407 has 4 divisors (see below), whose sum is σ = 7682813184456. Its totient is φ = 6402344320360.

The previous prime is 7042578752387. The next prime is 7042578752441.

7042578752407 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7042578752407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042578752107) 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, 320117216008 + ... + 320117216029.

It is an arithmetic number, because the mean of its divisors is an integer number (1920703296114).

Almost surely, 2^{7042578752407} is an apocalyptic number.

7042578752407 is a deficient number, since it is larger than the sum of its proper divisors (640234432049).

7042578752407 is a wasteful number, since it uses less digits than its factorization.

7042578752407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640234432048.

The product of its (nonzero) digits is 30732800, while the sum is 58.

The spelling of 7042578752407 in words is "seven trillion, forty-two billion, five hundred seventy-eight million, seven hundred fifty-two thousand, four hundred seven".