726630612254 has 4 divisors (see below), whose sum is σ = 1089945918384. Its totient is φ = 363315306126.

The previous prime is 726630612241. The next prime is 726630612259. The reversal of 726630612254 is 452216036627.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726630612259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181657653062 + ... + 181657653065.

It is an arithmetic number, because the mean of its divisors is an integer number (272486479596).

Almost surely, 2^726630612254 is an apocalyptic number.

726630612254 is a deficient number, since it is larger than the sum of its proper divisors (363315306130).

726630612254 is a wasteful number, since it uses less digits than its factorization.

726630612254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363315306129.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 726630612254 in words is "seven hundred twenty-six billion, six hundred thirty million, six hundred twelve thousand, two hundred fifty-four".