7420523426 has 8 divisors (see below), whose sum is σ = 11785537260. Its totient is φ = 3492011008.

The previous prime is 7420523417. The next prime is 7420523447. The reversal of 7420523426 is 6243250247.

It can be written as a sum of positive squares in 2 ways, for example, as 6696967225 + 723556201 = 81835^2 + 26899^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109125311 + ... + 109125378.

Almost surely, 2^7420523426 is an apocalyptic number.

7420523426 is a deficient number, since it is larger than the sum of its proper divisors (4365013834).

7420523426 is a wasteful number, since it uses less digits than its factorization.

7420523426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218250708.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 7420523426 is about 86142.4600647091. The cubic root of 7420523426 is about 1950.4950245313.

The spelling of 7420523426 in words is "seven billion, four hundred twenty million, five hundred twenty-three thousand, four hundred twenty-six".