725977814 has 16 divisors (see below), whose sum is σ = 1119392448. Its totient is φ = 352864512.

The previous prime is 725977801. The next prime is 725977883. The reversal of 725977814 is 418779527.

It is a happy number.

725977814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94502 + ... + 101894.

It is an arithmetic number, because the mean of its divisors is an integer number (69962028).

Almost surely, 2^725977814 is an apocalyptic number.

725977814 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

725977814 is a deficient number, since it is larger than the sum of its proper divisors (393414634).

725977814 is a wasteful number, since it uses less digits than its factorization.

725977814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759.

The product of its digits is 987840, while the sum is 50.

The square root of 725977814 is about 26943.9754676254. The cubic root of 725977814 is about 898.7545794388.

The spelling of 725977814 in words is "seven hundred twenty-five million, nine hundred seventy-seven thousand, eight hundred fourteen".