725629434 has 16 divisors (see below), whose sum is σ = 1458780672. Its totient is φ = 240622848.

The previous prime is 725629433. The next prime is 725629441. The reversal of 725629434 is 434926527.

725629434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (725629433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312154 + ... + 314469.

It is an arithmetic number, because the mean of its divisors is an integer number (91173792).

Almost surely, 2^725629434 is an apocalyptic number.

725629434 is an abundant number, since it is smaller than the sum of its proper divisors (733151238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725629434 is a wasteful number, since it uses less digits than its factorization.

725629434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626821.

The product of its digits is 362880, while the sum is 42.

The square root of 725629434 is about 26937.5097958219. The cubic root of 725629434 is about 898.6107925755.

The spelling of 725629434 in words is "seven hundred twenty-five million, six hundred twenty-nine thousand, four hundred thirty-four".