726739937630 has 16 divisors (see below), whose sum is σ = 1495007871840. Its totient is φ = 249167978592.

The previous prime is 726739937611. The next prime is 726739937633. The reversal of 726739937630 is 36739937627.

726739937630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726739937633) 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, 5190999485 + ... + 5190999624.

It is an arithmetic number, because the mean of its divisors is an integer number (93437991990).

Almost surely, 2^726739937630 is an apocalyptic number.

726739937630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

726739937630 is an abundant number, since it is smaller than the sum of its proper divisors (768267934210).

726739937630 is a wasteful number, since it uses less digits than its factorization.

726739937630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381999123.

The product of its (nonzero) digits is 54010152, while the sum is 62.

The spelling of 726739937630 in words is "seven hundred twenty-six billion, seven hundred thirty-nine million, nine hundred thirty-seven thousand, six hundred thirty".