7425173420 has 48 divisors (see below), whose sum is σ = 17876738880. Its totient is φ = 2537727744.

The previous prime is 7425173407. The next prime is 7425173447. The reversal of 7425173420 is 243715247.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39275 + ... + 128034.

It is an arithmetic number, because the mean of its divisors is an integer number (372432060).

Almost surely, 2^7425173420 is an apocalyptic number.

7425173420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7425173420 is an abundant number, since it is smaller than the sum of its proper divisors (10451565460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7425173420 is a wasteful number, since it uses less digits than its factorization.

7425173420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167642 (or 167640 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 7425173420 is about 86169.4459770979. The cubic root of 7425173420 is about 1950.9023586146.

Adding to 7425173420 its reverse (243715247), we get a palindrome (7668888667).

The spelling of 7425173420 in words is "seven billion, four hundred twenty-five million, one hundred seventy-three thousand, four hundred twenty".