726770078 has 8 divisors (see below), whose sum is σ = 1103289768. Its totient is φ = 359006824.

The previous prime is 726770069. The next prime is 726770087. The reversal of 726770078 is 870077627.

726770078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (726770069) and next prime (726770087).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×726770078² = 1056389492552252168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188901 + ... + 2189232.

It is an arithmetic number, because the mean of its divisors is an integer number (137911221).

Almost surely, 2^726770078 is an apocalyptic number.

726770078 is a deficient number, since it is larger than the sum of its proper divisors (376519690).

726770078 is a wasteful number, since it uses less digits than its factorization.

726770078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378218.

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 726770078 is about 26958.6735207799. The cubic root of 726770078 is about 899.0813993588.

The spelling of 726770078 in words is "seven hundred twenty-six million, seven hundred seventy thousand, seventy-eight".