726423372 has 36 divisors (see below), whose sum is σ = 1895473216. Its totient is φ = 234329760.

The previous prime is 726423301. The next prime is 726423377. The reversal of 726423372 is 273324627.

726423372 is a `hidden beast` number, since 7 + 2 + 642 + 3 + 3 + 7 + 2 = 666.

726423372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (726423377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324343 + ... + 326574.

Almost surely, 2^726423372 is an apocalyptic number.

It is an amenable number.

726423372 is an abundant number, since it is smaller than the sum of its proper divisors (1169049844).

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

726423372 is a wasteful number, since it uses less digits than its factorization.

726423372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650958 (or 650953 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 726423372 is about 26952.2424298981. The cubic root of 726423372 is about 898.9384075532.

Adding to 726423372 its reverse (273324627), we get a palindrome (999747999).

The spelling of 726423372 in words is "seven hundred twenty-six million, four hundred twenty-three thousand, three hundred seventy-two".