725017148 has 6 divisors (see below), whose sum is σ = 1268780016. Its totient is φ = 362508572.

The previous prime is 725017141. The next prime is 725017187. The reversal of 725017148 is 841710527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725017141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90627140 + ... + 90627147.

It is an arithmetic number, because the mean of its divisors is an integer number (211463336).

Almost surely, 2^725017148 is an apocalyptic number.

It is an amenable number.

725017148 is a deficient number, since it is larger than the sum of its proper divisors (543762868).

725017148 is a wasteful number, since it uses less digits than its factorization.

725017148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181254291 (or 181254289 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 725017148 is about 26926.1424641555. The cubic root of 725017148 is about 898.3579722380.

The spelling of 725017148 in words is "seven hundred twenty-five million, seventeen thousand, one hundred forty-eight".