725311844 has 6 divisors (see below), whose sum is σ = 1269295734. Its totient is φ = 362655920.

The previous prime is 725311823. The next prime is 725311883. The reversal of 725311844 is 448113527.

725311844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 677977444 + 47334400 = 26038^2 + 6880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90663977 + ... + 90663984.

It is an arithmetic number, because the mean of its divisors is an integer number (211549289).

Almost surely, 2^725311844 is an apocalyptic number.

It is an amenable number.

725311844 is a deficient number, since it is larger than the sum of its proper divisors (543983890).

725311844 is a wasteful number, since it uses less digits than its factorization.

725311844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181327965 (or 181327963 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 725311844 is about 26931.6142108118. The cubic root of 725311844 is about 898.4796735615.

The spelling of 725311844 in words is "seven hundred twenty-five million, three hundred eleven thousand, eight hundred forty-four".