725607958438 has 16 divisors (see below), whose sum is σ = 1238982759936. Its totient is φ = 315481720840.

The previous prime is 725607958433. The next prime is 725607958463. The reversal of 725607958438 is 834859706527.

It is a self number, because there is not a number n which added to its sum of digits gives 725607958438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725607958433) 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, 717003406 + ... + 717004417.

It is an arithmetic number, because the mean of its divisors is an integer number (77436422496).

Almost surely, 2^725607958438 is an apocalyptic number.

725607958438 is a deficient number, since it is larger than the sum of its proper divisors (513374801498).

725607958438 is a wasteful number, since it uses less digits than its factorization.

725607958438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434007859.

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 725607958438 in words is "seven hundred twenty-five billion, six hundred seven million, nine hundred fifty-eight thousand, four hundred thirty-eight".