721341063 has 6 divisors (see below), whose sum is σ = 1041937104. Its totient is φ = 480894036.

The previous prime is 721341029. The next prime is 721341073. The reversal of 721341063 is 360143127.

It is not a de Polignac number, because 721341063 - 2⁹ = 721340551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721341073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40074495 + ... + 40074512.

It is an arithmetic number, because the mean of its divisors is an integer number (173656184).

Almost surely, 2^721341063 is an apocalyptic number.

721341063 is a deficient number, since it is larger than the sum of its proper divisors (320596041).

721341063 is a wasteful number, since it uses less digits than its factorization.

721341063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80149013 (or 80149010 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 721341063 is about 26857.7933382473. The cubic root of 721341063 is about 896.8370714097.

The spelling of 721341063 in words is "seven hundred twenty-one million, three hundred forty-one thousand, sixty-three".