725472002042 has 8 divisors (see below), whose sum is σ = 1088969524500. Its totient is φ = 362482160544.

The previous prime is 725472002023. The next prime is 725472002053. The reversal of 725472002042 is 240200274527.

It can be written as a sum of positive squares in 2 ways, for example, as 560774824801 + 164697177241 = 748849^2 + 405829^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 725472001993 and 725472002011.

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, 126916667 + ... + 126922382.

Almost surely, 2^725472002042 is an apocalyptic number.

725472002042 is a deficient number, since it is larger than the sum of its proper divisors (363497522458).

725472002042 is a wasteful number, since it uses less digits than its factorization.

725472002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253840480.

The product of its (nonzero) digits is 62720, while the sum is 35.

Adding to 725472002042 its reverse (240200274527), we get a palindrome (965672276569).

The spelling of 725472002042 in words is "seven hundred twenty-five billion, four hundred seventy-two million, two thousand, forty-two".