726270426 has 48 divisors (see below), whose sum is σ = 1800075264. Its totient is φ = 207310752.

The previous prime is 726270409. The next prime is 726270427. The reversal of 726270426 is 624072627.

726270426 is a `hidden beast` number, since 7 + 2 + 627 + 0 + 4 + 26 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (726270427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181095 + ... + 185061.

It is an arithmetic number, because the mean of its divisors is an integer number (37501568).

Almost surely, 2^726270426 is an apocalyptic number.

726270426 is an abundant number, since it is smaller than the sum of its proper divisors (1073804838).

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

726270426 is a wasteful number, since it uses less digits than its factorization.

726270426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435 (or 5432 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 726270426 is about 26949.4049284952. The cubic root of 726270426 is about 898.8753136380.

The spelling of 726270426 in words is "seven hundred twenty-six million, two hundred seventy thousand, four hundred twenty-six".