7425556994 has 16 divisors (see below), whose sum is σ = 11169718560. Its totient is φ = 3702330240.

The previous prime is 7425556993. The next prime is 7425557011. The reversal of 7425556994 is 4996555247.

It is a super-2 number, since 2×7425556994² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7425556993) 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, 1852997 + ... + 1856999.

It is an arithmetic number, because the mean of its divisors is an integer number (698107410).

Almost surely, 2^7425556994 is an apocalyptic number.

7425556994 is a deficient number, since it is larger than the sum of its proper divisors (3744161566).

7425556994 is a wasteful number, since it uses less digits than its factorization.

7425556994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385.

The product of its digits is 13608000, while the sum is 56.

The square root of 7425556994 is about 86171.6716444563. The cubic root of 7425556994 is about 1950.9359516588.

The spelling of 7425556994 in words is "seven billion, four hundred twenty-five million, five hundred fifty-six thousand, nine hundred ninety-four".