726370946 has 16 divisors (see below), whose sum is σ = 1288146240. Its totient is φ = 300567120.

The previous prime is 726370943. The next prime is 726370949. The reversal of 726370946 is 649073627.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (726370943) and next prime (726370949).

It is a super-2 number, since 2×726370946² = 1055229502385869832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726370897 and 726370906.

It is not an unprimeable number, because it can be changed into a prime (726370943) 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 7 ways as a sum of consecutive naturals, for example, 894140 + ... + 894951.

It is an arithmetic number, because the mean of its divisors is an integer number (80509140).

Almost surely, 2^726370946 is an apocalyptic number.

726370946 is a deficient number, since it is larger than the sum of its proper divisors (561775294).

726370946 is a wasteful number, since it uses less digits than its factorization.

726370946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789129.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 726370946 is about 26951.2698402135. The cubic root of 726370946 is about 898.9167815609.

The spelling of 726370946 in words is "seven hundred twenty-six million, three hundred seventy thousand, nine hundred forty-six".