725220667982 has 8 divisors (see below), whose sum is σ = 1093841118552. Its totient is φ = 360606961800.

The previous prime is 725220667973. The next prime is 725220667991. The reversal of 725220667982 is 289766022527.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (725220667973) and next prime (725220667991).

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

It is a congruent number.

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, 1001685644 + ... + 1001686367.

It is an arithmetic number, because the mean of its divisors is an integer number (136730139819).

Almost surely, 2^725220667982 is an apocalyptic number.

725220667982 is a deficient number, since it is larger than the sum of its proper divisors (368620450570).

725220667982 is a wasteful number, since it uses less digits than its factorization.

725220667982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003372194.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 725220667982 in words is "seven hundred twenty-five billion, two hundred twenty million, six hundred sixty-seven thousand, nine hundred eighty-two".