726278120 has 32 divisors (see below), whose sum is σ = 1648597320. Its totient is φ = 287938560.

The previous prime is 726278051. The next prime is 726278123. The reversal of 726278120 is 21872627.

It can be written as a sum of positive squares in 4 ways, for example, as 433389124 + 292888996 = 20818^2 + 17114^2 .

It is not an unprimeable number, because it can be changed into a prime (726278123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75821 + ... + 84860.

Almost surely, 2^726278120 is an apocalyptic number.

It is an amenable number.

726278120 is an abundant number, since it is smaller than the sum of its proper divisors (922319200).

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

726278120 is a wasteful number, since it uses less digits than its factorization.

726278120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160805 (or 160801 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 726278120 is about 26949.5476770947. The cubic root of 726278120 is about 898.8784878102.

The spelling of 726278120 in words is "seven hundred twenty-six million, two hundred seventy-eight thousand, one hundred twenty".