725479822 has 4 divisors (see below), whose sum is σ = 1088219736. Its totient is φ = 362739910.

The previous prime is 725479817. The next prime is 725479829. The reversal of 725479822 is 228974527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228974527 = 43 ⋅5324989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725479829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181369954 + ... + 181369957.

It is an arithmetic number, because the mean of its divisors is an integer number (272054934).

Almost surely, 2^725479822 is an apocalyptic number.

725479822 is a deficient number, since it is larger than the sum of its proper divisors (362739914).

725479822 is a wasteful number, since it uses less digits than its factorization.

725479822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362739913.

The product of its digits is 564480, while the sum is 46.

The square root of 725479822 is about 26934.7326327922. The cubic root of 725479822 is about 898.5490290947.

It can be divided in two parts, 72547 and 9822, that added together give a square (82369 = 287²).

The spelling of 725479822 in words is "seven hundred twenty-five million, four hundred seventy-nine thousand, eight hundred twenty-two".