726815826270 has 24 divisors (see below), whose sum is σ = 1889721148536. Its totient is φ = 193817553648.

The previous prime is 726815826251. The next prime is 726815826281. The reversal of 726815826270 is 72628518627.

726815826270 is a `hidden beast` number, since 7 + 2 + 6 + 8 + 1 + 5 + 8 + 2 + 627 + 0 = 666.

726815826270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×726815826270² (a number of 25 digits) 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 11 ways as a sum of consecutive naturals, for example, 4037865612 + ... + 4037865791.

It is an arithmetic number, because the mean of its divisors is an integer number (78738381189).

Almost surely, 2^726815826270 is an apocalyptic number.

726815826270 is an abundant number, since it is smaller than the sum of its proper divisors (1162905322266).

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

726815826270 is a wasteful number, since it uses less digits than its factorization.

726815826270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075731416 (or 8075731413 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 726815826270 in words is "seven hundred twenty-six billion, eight hundred fifteen million, eight hundred twenty-six thousand, two hundred seventy".