725628973425 has 12 divisors (see below), whose sum is σ = 1199706569520. Its totient is φ = 387002119120.

The previous prime is 725628973387. The next prime is 725628973427. The reversal of 725628973425 is 524379826527.

It is not a de Polignac number, because 725628973425 - 2¹⁶ = 725628907889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (725628973427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4837526415 + ... + 4837526564.

It is an arithmetic number, because the mean of its divisors is an integer number (99975547460).

Almost surely, 2^725628973425 is an apocalyptic number.

725628973425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

725628973425 is a deficient number, since it is larger than the sum of its proper divisors (474077596095).

725628973425 is a wasteful number, since it uses less digits than its factorization.

725628973425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675052992 (or 9675052987 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 60.

The spelling of 725628973425 in words is "seven hundred twenty-five billion, six hundred twenty-eight million, nine hundred seventy-three thousand, four hundred twenty-five".