726271378 has 32 divisors (see below), whose sum is σ = 1257068160. Its totient is φ = 308267520.

The previous prime is 726271367. The next prime is 726271393. The reversal of 726271378 is 873172627.

It is a super-2 number, since 2×726271378² = 1054940229004037768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884208 + ... + 885028.

It is an arithmetic number, because the mean of its divisors is an integer number (39283380).

Almost surely, 2^726271378 is an apocalyptic number.

726271378 is a deficient number, since it is larger than the sum of its proper divisors (530796782).

726271378 is a wasteful number, since it uses less digits than its factorization.

726271378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its digits is 197568, while the sum is 43.

The square root of 726271378 is about 26949.4225912171. The cubic root of 726271378 is about 898.8757063883.

The spelling of 726271378 in words is "seven hundred twenty-six million, two hundred seventy-one thousand, three hundred seventy-eight".